Rajeshwari Sundaram, Ph.D., M.Stat.

Current Position:

Senior Investigator, Biostatistics & Bioinformatics Branch
Division of Intramural Population Health Research
Eunice Kennedy Shriver National Institute of Child Health
& Human Development
The National Institutes of Health

Address:

6710B Rockledge Drive, Room 3232
Bethesda, Maryland 20817
301-435-6953
sundaramr2@mail.nih.gov

Education:

1994-1999 Ph.D., Statistics, Michigan State University, East Lansing
1991-1993 M.Stat. (Applied Statistics & Data Analysis), Indian Statistical Institute, Kolkata
1988-1991 B.Sc. (Honors), Mathematics, University of Calcutta, India

Research Interests:

Work Experience:

Research projects:

Lead Statistician and Co-Investigator, Eunice Kennedy Shriver National Institute of Child Health and Human Development

2004-present Longitudinal Investigation of Fertility and the Environment (LIFE Study)
2006-2009 Stress and Time to Pregnancy
2012-present Exposome of Normal Pregnancy: Proof-of-Concept Study
2007-present

Upstate KIDS Study

2011-2012 Air Quality and Women's Reproductive Health.  (LIFE Study and
Consortium on Safe Labor Study), $494,458 (Lead Statistician till June, 2013, currently Co-Investigator)
2014-2019 Upstate KIDS CVD Follow-Up

Co-Investigator, Eunice Kennedy Shriver National Institute of Child Health and Human Development

2006-2010 Persistent Environmental Compounds and Gynecologic Health (ENDO Study)

Awards:

Grants:

At Eunice Kennedy Shriver National Institute of Child Health and Human Development:

Teaching:

Mentoring:

National Institutes of Health Summer Interns:

2004 Kirsten Lum (MS, American University)
2007 Elaine Nsoesie (PhD, Virginian Tech University)
2010 Kirsten Lum (PhD, Johns Hopkins University)
2016 Jenny Lee (MS, Yale University)

National Institutes of Health Intramural Research Training Award Fellows:

2006-2007 2006-2007 Seunggeun Hyun (PhD Student, University of North Carolina- Charlotte) Predoctoral Fellow. Subsequent Position: Assistant Professor, University of South Carolina
  • Won the "Best Student Oral Presentation" award at the Probability and Statistics Day Conference held at University of Maryland Baltimore County, May 2007
2006-2007 Katahyanee Murray, co-mentored with Dr Denise Haynie, Predoctoral Fellow, Prevention Research Branch
2008-2009

Kirsten Lum (PhD, Department of Biostatistics, George
Washington University), Predoctoral Fellow

  • Won the Wray Jackson Smith Scholarship Award (sponsored by American Statistical Association and others) for her work on “Joint modeling of longitudinal data and time to an event: An application to time to pregnancy”

2007-2008 Sung Duk Kim (Postdoctoral student, University of Connecticut) Visiting Postdoctoral Fellow. Subsequent Position: Research Fellow, Biostatistics and Bioinformatics Branch
2008-2010 Sung Duk Kim (Postdoctoral fellow, NICHD), Research Fellow.
Subsequent Position: Staff Scientist, Biostatistics and Bioinformatics Branch
2009-2011 Alexander C McLain (Postdoctoral fellow, North Carolina State University) Postdoctoral fellow. Subsequent Position: Research Fellow, Biostatistics and Bioinformatics Branch
2011-2012 Alexander C McLain (Postdoctoral fellow, NICHD), Research Fellow. Subsequent Position: Assistant Professor, University of South Carolina
2012-2014 Kirsten Lum (PhD Student, Department of Biostatistics, Johns Hopkins University), Predoctoral Fellow
  • Louis I. and Thomas D. Dublin Award for the advancement of Epidemiology and Biostatistics, Johns Hopkins University for thesis proposal
2013-2016 Kate Sapra (PhD Student, Department of Epidemiology, Columbia University), Predoctoral Fellow, co-mentoring with Dr Germaine M. Buck Louis
  • American College of Epidemiology, 2014 Student Paper Award for Successive time to pregnancies among women experiencing hCG pregnancy loss.

2014-2016 Ling Ma (Doctoral Student, University of Missouri), Visiting Postdoctoral Fellow. Subsequent Position: Assistant Professor, Clemson University from Fall, 2016
2016-onwards Sedigheh Mirzaeie (Doctoral Student, Indian Statistical Institute, Kolkata), Visiting Postdoctoral Fellow

Dissertation Committee Member for Extramural Doctoral Students:

2013-Present Somak Chatterjee (PhD Student), Department of Statistics, George Washington University. Role: Co-Advisor & Committee Member
2013-Present Li Cheung (PhD Student), Department of Statistics, George Washington University. Role: Committee Member

At University of North Carolina at Charlotte:

Teaching:

Graduate courses

Undergraduate courses

Mentoring

Master's Thesis:

Professional Activities:

Editorial Service:

Journal Peer Review:

Statistics Journals:

Biometrics, Journal of Statistical Planning and Inference, Lifetime Data Analysis, Statistics and Probability Letters, Statistical Methodology, Statistics in Medicine, Statistics in Bioscience

Other Journals:

American Journal of Epidemiology, Environmental Health Perspective, Human Reproduction

Professional Association Activities:

Organization of Symposia/Sessions at National Meetings:

National Institutes of Health–Committees

Eunice Kennedy Shriver National Institutes of Child Health and Human Development–Committees and Worshops

Academic Committees–University of North Carolina at Charlotte

Talks:

Invited Grand Rounds

Invited Talks

Invited Seminars

Invited Panel Discussant

Oral Presentations at Scientific Meetings

Refereed Manuscripts:

* denotes mentored paper.

  1. Rougoor CW, Sundaram, R, van Arendonk JAM. The relation between breeding management and 305-day milk production, determined via principal components regression and partial least squares. Livestock Production Science, 2000; 66: 71-83.
  2. Sundaram R. Estimation of scale parameter based on doubly censored samples. Journal of Statistical Planning and Inference, 2003; 115: 657-681.
  3. Brandon W, Troyer J, Sundaram R, Sun Y, Schoeps N, Walsh B. Medicaid enrollee switching among managed care plans. Journal of Health Care for the Poor and Underserved, 2005; 16:760-779.
  4. Sundaram R. Semi-parametric Inference in Proportional Odds Model with time-dependent covariates. Journal of Statistical Planning and Inference, 2006;136:320-334.
  5. Sundaram R. Estimation in two sample randomly truncated scale model. Journal of Statistical Planning and Inference, 2006; 136:2983-3006.
  6. Biswas A, Sundaram R. Kernel Survival function estimation based on doubly censored data. Communications in Statistics, Theory and Methods, 2006; 35:1293-1307. Authorship in alphabetical order.
  7. Datta S, Sundaram R. Nonparametric marginal estimation in a multistage model using current status data. Biometrics, 2006; 62: 829-837. Authorship in alphabetical order.
  8. Sundaram R. Robust Analysis of Recurrent Events in presence of terminal events. Invited paper for “Statistical Advances in the Bio-Medical Sciences: State of the art and future directions”, edited by Datta, Segal, Fine, Biswas; John Wiley and Sons, NJ, 2007.
  9. Chang M, Parker E, Muller T, Haenen C, Mistry M, Finkelstein G, Murphy-Ryan M, Barnes K, Sundaram R, Baron J. Changes in cell cycle kinetics responsible for limiting somatic growth in mice. Pediatric Research, 64:240-245, 2008.
  10. Cooney M, Buck Louis GM, Sundaram R, McGuiness BJ, Lynch CD. Validity of self reported time-to-pregnancy. Epidemiology, 20:56-59, 2008.
  11. Zhang J, Sundaram R, Sun W, Troendle J. Fetal growth and spontaneous onset of labor in humans. American Journal of Epidemiology, 168:946-951, 2008.
  12. Brandon W, Sundaram R, Dunham A. Multiple switching in Medicaid managed care: A proportional hazards model. Journal of Health Care for Poor and Underserved, 20:1124-1141, 2009.
  13. Sundaram R. Semi-parametric inference in proportional odds model with randomly truncated data. Journal of Statistical Planning and Inference, 139:1381-1393, 2009.
  14. Datta S, Lan L, Sundaram R. Nonparametric estimation of waiting time distributions in a Markov model based on current status data. Journal of Statistical Planning and Inference, 13:2885-2897, 2009. Authorship in alphabetical order.
  15. *Hyun S, Sun Y, Sundaram R. Assessing cumulative incidence functions under the semi-parametric additive risk model. Statistics in Medicine, 28:2748-2768, 2009.
  16. Sun Y, Sundaram R, Zhao Y. Empirical likelihood inference for the Cox model with time-dependent coefficients via local partial likelihood. Scandinavian Journal of Statistics, 6:444-462, 2009. Authorship in alphabetical order.
  17. Mikolajczyk R, Buck Louis GM, Cooney M, Lynch C, Sundaram R. Characteristics of prospectively measured vaginal bleeding among women trying to conceive. Paediatric and Perinatal Epidemiology, 24:24-30, 2010.
  18. Murphy L, Gollenberg A, Buck Louis GM, Kostyniak J, Sundaram R. Preconception polychlorinated biphenyl exposure and infant birth weight. Environmental Health Perspectives, 118:297-302, 2010.
  19. *Kim SD, Sundaram R, Buck Louis GM. Joint modeling of intercourse behavior and human fecundability using structural equation models. Biostatistics, 11:559-571, 2010.
  20. Neta G, von Ehrenstein O, Lum K, Sundaram R, Zhang J. Risk association of cord blood cytokines with preterm delivery and small for gestational age infants. American Journal of Epidemiology, 171:859-867, 2010.
  21. Pollack A, Buck Louis GM, Sundaram R, Lum K. Caffeine consumption and pregnancy loss. Fertility and Sterility, 93:304-306, 2010.
  22. Zhang J, Troendle J, Mikolajczyk R, Sundaram R, Beaver J, Fraser W. The 1st stage of labor: 1959-1966. Obstetrics & Gynecology 115:705-710, 2010.
  23. Bloom M, Buck Louis GM, Sundaram R, Kostyniak J, Jain J. Metals and fecundity. Reproductive Toxicology, 31:158-63, 2011.
  24. Buck Louis GM, Rios LI, McLain A, Cooney M, Kostyniak P and Sundaram R. Persistent organochlorine pollutants and menstrual cycle length. Chemosphere, 85(11):1742-8, 2011.
  25. ♦ Buck Louis GM, Lum K, Sundaram R, Chen Z, Kim S, Lynch C, Schisterman, EF and Pyper C. Stress reduces conception probabilities across the fertile window: Evidence in support of relaxation. Fertility and Sterility, 95(7):2184-2189, 2011. ♦ covered by multiple international media including BBC, CNN, USA Today, NY Times, WebMD
  26. Gollenberg A, Cooney M, Mumford S, Sundaram R, Buck Louis GM. Validity of retrospectively reported behaviors during the periconception window. Journal of Reproductive Medicine, 56(3-4):130-7, 2011.
  27. Buck Louis GM, Hediger M, Peterson M, Croughan M, Sundaram R, Stanford J, Chen Z, Fujimoto V, Varner M, Trumble A, Giudice L. Incidence of endometriosis by study population and diagnostic method: the ENDO Study. Fertility and Sterility, 96:360-365, 2011.
  28. Buck Louis GM, Schisterman EF, Sweeney A, Wilcosky T, Gore-Langton R, Lynch C, Barr D, Schrader S, Kim SD, Chen Z, Sundaram R. Designing prospective cohort studies for assessing reproductive and developmental toxicity during sensitive windows of human reproduction and development-the LIFE study. Paediatric and Perinatal Epidemiology, 25:413-424, 2011.
  29. *Lum K, Sundaram R, Buck Louis GM. Women's lifestyle behaviors while trying to become pregnant: evidence supporting preconception guidance. American Journal of Obstetrics and Gynecology, 205(3):203.e1-7, 2011.
  30. *McLain AC, Sundaram R., Cooney MA, Gollenberg AL, Buck Louis GM. Clustering of fecundability within women. Paediatric and Perinatal Epidemiology, 25: 460â€"465, 2011.
  31. Buck Louis GM, Sundaram R. Exposome: time for transformative research. Statistics in Medicine, 31(22):2569-2575, 2012.
  32. *McLain AC, *Lum K., Sundaram R. A joint mixed effects dispersion model for menstrual cycle length and time-to-pregnancy. Biometrics, 68:648-656, 2012.
  33. *McLain AC, Sundaram R, Buck Louis GM. Modeling time to pregnancy in presence of sterile fraction using transformation survival model. Statistical methods in medical research, doi:10.1177/0962280212438646, 2012.
  34. Buck Louis GM, Sundaram R, Schisterman EF, Sweeney AM, Lynch CD, Gore- Langton RE, Chen Z, Kim S, Caldwell K, & Barr DB. Heavy metals and couple fecundity, the LIFE study. Chemosphere, 87:1201-1207, 2012.
  35. Kunisue T, Chen Z, Buck Louis GM, Sundaram R, Hediger ML, Sun L, Kannan K. Urinary concentrations of benzophenone-type uv filters in the US women from two cities and their association with endometriosis. Environmental Science and Technology, 46:4624-4632, 2012.
  36. Laughon SK, Zhang J, Grewal J, Sundaram R, Beaver J, Reddy U. Induction of labor in contemporary obstetric practice. American Journal of Obstetrics and Gynecology, 206:486.e1-9, 2012
  37. Buck Louis GM, Chen Z, Peterson CM, Hediger ML, Croughan MS, Sundaram R, Stanford JB, Varner MW, Fujimoto VY, Giudice LY, Trumble A, Parsons PJ, Kannan K. Persistent lipophilic environmental chemicals and endometriosis: the ENDO study, 2007-2009. Environmental Health Perspectives, 120:811-816, 2012.
  38. Buck Louis GM, Peterson CM, Chen Z, Hediger ML, Croughan MS, Sundaram R, Stanford JB, Varner MW, Fujimoto VY, Giudice LY, Trumble A, Parsons P J, Kannan K. Perfluorochemicals and endometriosis: the ENDO study. Epidemiology, 23(6):799-805, 2012.
  39. Lynch CD, Sundaram R, Buck Louis GM, Lum KJ, Pyper C. Are increase levels of self-reported psychosocial stress, anxiety, and depression associated with fecundity? Fertility and Sterility, 98(2):453-458, 2012.
  40. Chason R, McLain AC, Sundaram R, Chen Z, Segars JH, Pyper C, Buck Louis GM. Preconception stress and the secondary sex ratio: a prospective cohort study. Fertility and Sterility, 98(4):937-941, 2012.
  41. Thoma ME, Hediger ML, Sundaram R, Stanford JB, Peterson CM, Croughan MS, Chen Z, Buck Louis GM and the ENDO Study. Comparing "apples and pears:" women's perceptions of their body size and shape. Journal of Women's Health, 21(10): 1074-1081, 2012.
  42. Sundaram R, McLain A, Buck Louis, GM. A survival analysis approach to modeling human fecundity. Biostatistics, 13:4-17, 2012.
  43. *Kim SD, Sundaram R, Buck Louis GM, Pyper C. Flexible Bayesian Human Fecundity Models (with invited discussions). Bayesian Analysis, 7(4):771-800, 2012.
  44. Wolff EF, Sun L, Hediger ML, Sundaram R, Peterson CM, Chen Z, Buck Louis GM. In utero exposures and endometriosis: the endometriosis, natural history, disease, outcome (ENDO) study. Fertility and Sterility, 99(3):790-795, 2013.
  45. Buck Louis GM, Peterson CM, Chen Z, Croughan M, Sundaram R, Stanford J, Varner MW, Kennedy A, Giudice L, Fujimoto VY, Sun L, Wang L, Guo Y, Kannan K. Bisphenol A and phthalates and endometriosis: the endometriosis: natural history, diagnosis and outcomes study. Fertility and Sterility, 100(1):162-169, 2013.
  46. Buck Louis GM, Yeung E, Sundaram R, Laughon SK, Zhang C. The exposomeâ€"exciting opportunities for discoveries in reproductive and perinatal epidemiology. Paediatric and Perinatal Epidemiology, 27(3):229-236, 2013.
  47. Buck Louis GM, Sundaram R, Schisterman E, Maisog J, Kim SD, Chen Z, Sweeney A. Persistent organochlorine compounds and time to pregnancy. Environmental Health Perspectives, 121(2):231-236, 2013.
  48. Thoma ME, McLain AC, Louis JF, King RB, Trumble A, Sundaram R, Buck Louis GM. The prevalence of infertility in the United States as estimated by the current duration approach and a traditional constructed approach. Fertility and Sterility, 99(5): 1324-1331, 2013.
  49. Louis JF, Thoma ME, Sorensen DN, McLain AC, King RB, Sundaram R, Keiding N, Buck Louis GM. The prevalence of couple infertility in the United States from a male perspective: evidence from a nationally representative sample. Journal of Andrology, 1(5):741-748, 2013.
  50. Pollack AZ, Buck Louis GM, Chen Z, Peterson CM, Sundaram R, Croughan MS, Sun L, Hediger ML, Stanford JB, Varner MW, Palmer CD, Steuerwald AJ, Parsons PJ. Trace elements and endometriosis: the ENDO study. Reproductive Toxicology, 42:41-48, 2013.
  51. Laughon SK, McLain AC, Sundaram R, Catov J, Buck Louis GM. Maternal lipid change in relation to length of gestation: a prospective cohort study with preconception enrollment of women. Gynecologic and Obstetric Investigation, 77:6-13, 2014.
  52. Buck Louis GM, Sundaram R, Schisterman EF, Sweeney A, Lynch CD, Kim SD, Maisog JM, Gore-Langton R, Eisenberg ML, Chen Z. Semen quality and time-to-pregnancy. Fertility and Sterility, 101:453-462, 2014.
  53. Eisenberg ML, Kim SD, Chen Z, Sundaram R, Schisterman EF, Buck Louis GM. The relationship between male body mass index, adiposity, and activity level on semen quality: data from the LIFE Study. Human Reproduction, 29:193-200, 2014.
  54. Mumford S, Sundaram R, Schisterman E, Maisog J, Chen Z, Kim S, Sweeney A, Buck Louis GM. Higher urinary lignan concentrations in women but not men are positively associates with shorter time-to-pregnancy. The Journal of Nutrition, 144(3):352-358, 2014.
  55. Chen G, Li J, Ying Q, Sherman S, Perkins N, Sundaram R, Mendola P. Evaluation of observation-fused regional air quality model results for air pollution exposure estimation. Science of the Total Environment, 485-486:563-574, 2014.
  56. ♦ Lynch C, Sundaram R, Maisog J, Sweeney A, Buck Louis GM. Increased levels of physiologic stress are associated with decreased fecundability: results from a couple-based prospective study, the LIFE study. Human Reproduction, 29(5):1067-1075, 2014. ♦ covered by multiple international media including CBS, NY Times, Reuters, Fox News, WebMD
  57. Buck Louis GM, Hediger ML, Bell EM, Kus CA, Sundaram R, McLain AC, Yeung E, Hills EA, Thoma ME, Druschel CM. Methodology for establishing a population-based birth cohort focusing on couple fertility and children’s development, the Upstate KIDS Study. Paediatric and Perinatal Epidemiology, 28(3):191-202, 2014. PMCID: PMC4563277.
  58. Laughon SK, Berghella V, Reddy UM, Sundaram R, Lu Z, Hoffman MK. Neonatal and maternal outcomes with prolonged second stage of labor. Obstetrics and Gynecology, 124(1):57-67, 2014. PMCID: PMC4065200.
  59. ♦ Buck Louis GM, Kannan K, Sapra KJ, Maisog J, Sundaram R. Urinary concentrations of benzophenone-type ultraviolet radiation filters and couples’ fecundity. American Journal of Epidemiology, 180(12):1168-1175, 2014. PMCID: PMC4262441. ♦ covered by multiple international media news including CNN, Reuters, UPI, CBS, Malaysian Digest, Shanghai Daily
  60. ♦ McLain AC, Sundaram R, Thoma M, Buck Louis GM. Semiparametric modeling of grouped current duration data with preferential reporting. Statistics in Medicine, 33(23):3961-3972, 2014. PMCID: PMC4159422. ♦ selected as a “featured article” by the Statistics in Medicine
  61. ♦ Buck Louis GM, Sundaram R, Sweeney A, Schisterman EF, Maisog J, Kannan K. Urinary bisphenol A, phthalates, and couple fecundity: the Longitudinal Investigation of Fertility and the Environment (LIFE) Study. Fertility and Sterility, 101(5):1359-1366, 2014. PMCID: PMC4008721. ♦ covered by multiple media news including Huffington Post, Live Science
  62. Guo Y, Weck J, Sundaram R, Goldstone AE, Buck Louis GM, Kannan K. Urinary concentrations of phthalates in couples planning pregnancy and its association with 8-hydroxy-2’-deoxyguanosine, a biomarker of oxidative stress: the Longitudinal Investigation of Fertility and the Environment Study. Environmental Science and Technology, 48(16):9804-9811, 2014. PMCID: PMC4140531.
  63. *Sapra Kj, Mclain AC, Maisog JM, Sundaram R, Buck Louis GM. Successive time to pregnancies among women experiencing pregnancy loss. Human Reproduction,29(11):2553-2559, 2014. PMCID: PMC4191452.
  64. Männistö T, Mendola P, Liu D, Leishear K, Ying Q, Sundaram R. Temporal variation in the acute effects of air pollution on blood pressure measured at admission to labor/delivery. Air Quality, Atmosphere & Health, 8(1):13-28, 2015.
  65. ♦ Robledo CA, Yeung E, Mendola P, Sundaram R, Maisog J, Sweeney AM, Barr DB, Buck Louis GM. Preconception maternal and paternal exposure to persistent organic pollutants and birth size: the LIFE Study. Environmental Health Perspectives, 123(1):88-94, 2015. PMCID: PMC4286275. ♦ Selected as the Children’s Environmental Health Network’s Article of the Month for February 2015.
  66. Buck Louis GM, Chen Z, Schisterman EF, Kim S, Sweeney AM, Sundaram R, Lynch CD, Gore-Langton RE, Barr DB. Perfluorochemicals and human semen quality: the LIFE Study. Environmental Health Perspectives, 123(1):57-63, 2015. PMCID: PMC4286271.
  67. Zhang C, Sundaram R, Maisog J, Calafat AM, Barr DB, Buck Louis GM. A prospective study of prepregnancy serum concentrations of perfluorochemicals and the risk of gestational diabetes. Fertility and Sterility, 103(1):184-189, 2015. PMCID: PMC4282598.
  68. *Lum KJ, Sundaram R, Louis TA. Accounting for length-bias and selection effects in estimating the effects of menstrual cycle length. Biostatistics, 16(1):113-128, 2015. PMCID: PMC4263226.
  69. *Mclain AC, Sundaram R, Buck Louis GM. Joint analysis of longitudinal and survival data measured on nested timescales using shared parameter models: an application to fecundity data. Journal of the Royal Statistical Society-Series C, Applied Statistics, 64(2):339-357, 2015. PMCID: PMC4844229.
  70. Katki HA, Cheung LC, Fetterman B, Castle PE, Sundaram R. A joint model of persistent human papillomavirus infection and cervical cancer risk: implications for cervical cancer guidelines. Journal of the Royal Statistical Society-Series A, Statistics in Society, 178(4):903-923, 2015. PMCID: PMC4635446.
  71. Williams KE, Miroshnychenko O, Johansen EB, Niles RK, Sundaram R, Kannan K, Albertolle M, Zhou Y, Prasad N, Drake PM, Giudice LC, Hall SC, Witkowska HE, Buck Louis GM, Fisher SJ. Urine, peritoneal fluid and omental fat proteomes of reproductive aged women: endometriosis-related changes and associations with endocrine disrupting chemicals. Journal of Proteomics, 113:194-205, 2015. PMCID: PMC4467531.
  72. Wylie A, Sundaram R, Kus C, Ghassabian A, Yeung EH. Maternal prepregnancy obesity and achievement of infant motor developmental milestones in the Upstate KIDS Study. Obesity, 23(4):907-913, 2015. PMCID: PMC4380825.
  73. Bloom MS, Buck Louis GM, Sundaram R, Maisog JM, Steuerwald AJ, Parsons PJ. Birth outcomes and background exposures to select elements, the Longitudinal Investigation of Fertility and the Environment (LIFE). Environmental Research, 138:118-129, 2015. PMCID: PMC4385418.
  74. Männistö T, Mendola P, Laughon Grantz K, Leishear K, Sundaram R, Sherman S, Ying Q, Liu D. Acute and recent air pollution exposure and cardiovascular events at labour and delivery. Heart, 101(18):1491-1498, 2015. PMID: 26105036.
  75. Sapra KJ, McLain AC, Maisog JM, Sundaram R, Buck Louis GM. Clustering of retrospectively reported and prospectively observed time-to-pregnancy. Annals of Epidemiology, 25(12): 959-963, 2015. PMCID: PMC4636974.
  76. Robledo CA, Mendola P, Yeung E, Männistö T, Sundaram R, Liu D, Ying Q, Sherman S,  Grantz KL. Preconception and early pregnancy air pollution exposures and risk of gestational diabetes mellitus. Environmental Research, 137:316-322, 2015. PMID: 25601734.
  77. Buck Louis GM, Druschel C, Bell E, Stern JE, Luke B, McLain A, Sundaram R, Yeung E. Use of assisted reproductive technology treatment as reported by mothers in comparison with registry data: the Upstate KIDS Study. Fertility and Sterility, 103(6):1461-1468, 2015. PMCID: PMC4457573.
  78. Smarr MM, Grantz KL, Sundaram R, Maisog JM, Kannan K, Buck Louis GM. Parental urinary biomarkers of preconception exposure to bisphenol A and phthalates in relation to birth outcomes. Environmental Health, 14:73, 2015. PMCID: PMC4567813.
  79. Ghassabian A, Sundaram R, Wylie A, Bell E, Bello SC, Yeung E. Maternal medical conditions during pregnancy and gross motor development up to age 24 months in the Upstate KIDS Study. Developmental Medicine and Child Neurology, 58(7): 728-734, 2015. PMCID: PMC4846588 [Available on 2017-07-01].
  80. Yeung EH, Sundaram R, Bell EM, Druschel C, Kus C, Ghassabian A, Bello S, Xie Y, Buck Louis GM. Examining infertility treatment and early childhood development in the Upstate KIDS Study. JAMA Pediatrics, 170(3):251-258, 2016. PMCID: PMC5000851. [Available on 2017-03-01].
  81. *Lum KJ, Sundaram R, Buck Louis GM, Louis TA. A Bayesian joint model of menstrual cycle length and fecundity. Biometrics, 72(1):193-203, 2016. PMCID: PMC4761533.
  82. *McLain AC, Sundaram R, Buck Louis GM. Modeling fecundity in the presence of a sterile fraction using a semi-parametric transformation model for grouped survival data. Statistical Methods in Medical Research, 25(1):22-36, 2016. PMID: 22374340.
  83. Jaacks LM, Barr DB, Sundaram R, Maisog JM, Zhang C, Buck Louis GM. Pre-pregnancy maternal exposure to polybrominated and polychlorinated biphenyls and gestational diabetes: a prospective cohort study. Environmental Health, 15:11, 2016. PMCID: PMC4721055.
  84. Mendola P, Wallace M, Hwang BS, Liu D, Robledo C, Männistö T, Sundaram R, Sherman S, Ying Q, Grantz KL. Preterm birth and air pollution: Critical windows of exposure for women with asthma. Journal of Allergy and Clinical Immunology, 138(2):432-440, 2016. PMCID: PMC4975980 [Available on 2017-08-01].
  85. Sapra KJ, Buck Louis GM, Sundaram R, Joseph KS, Bates LM, Galea S, Ananth CV. Signs and symptoms associated with early pregnancy loss: Findings from a population-based preconception cohort. Human Reproduction, 31(4):887-896, 2016. PMCID: PMC4791918 [Available on 2017-04-01].
  86. Buck Louis GM, Barr DB, Kannan K, Chen Z, Kim S, Sundaram R. Paternal exposures to environmental chemicals and time-to-pregnancy: Overview of results from the LIFE Study. Andrology, 4(4):639-647, 2016. PMCID: PMC4961554 [Available on 2017-07-01].
  87. Michels KA, Mumford SL, Sundaram R, Bell EM, Bello SC, Yeung EH. Differences in infant feeding practices by mode of conception in a United States cohort. Fertility and Sterility, 105(4):1014-1022.e1, 2016. PMCID: PMC4821670 [Available on 2017-04-01].
  88. Smarr MM, Grantz KL, Zhang C, Sundaram R, Maisog JM, Barr DB, Buck Louis GM. Persistent organic pollutants and pregnancy complications. Science of the Total Environment, 551-552:285-291, 2016. PMID: 26878640.
  89. Sapra KJ, Barr DB, Maisog JM, Sundaram R, Buck Louis GM. Time-to-pregnancy associated with couples’ use of tobacco products. Nicotine and Tobacco Research, 18(11):2154-2161, 2016. PMCID: PMC5055740 [Available on 2017-01-01].
  90. Buck Louis GM, Sapra KJ, Schisterman EF, Lynch CD, Maisog JM, Grantz KL, Sundaram R. Lifestyle and pregnancy loss in a contemporary cohort of women recruited before conception: The LIFE Study. Fertility and Sterility, 106(1):180-188, 2016. PMCID: PMC4930884 [Available on 2017-07-01].
  91. Ghassabian A, Sundaram R, Bell E, Bello SC, Kus C, Yeung E. Gross motor milestones and subsequent development. Pediatrics, 138(1), 2016. pii: e20154372. PMCID: PMC4925077 [Available on 2017-07-01].
  92. Yeung EH, Sundaram R, Bell EM, Druschel C, Kus C, Xie Y, Buck Louis GM. Infertility treatment and children’s longitudinal growth between birth and 3 years of age. Human Reproduction, 31(7):1621-1628, 2016. PMCID: PMC4901884 [Available on 2017-07-01].
  93. Smarr MM, Sundaram R, Honda M, Kannan K, Buck Louis GM. Urinary Concentrations of Parabens and Other Antimicrobial Chemicals and Their Association with Couples’ Fecundity. Environmental Health Perspectives, 2016. PMID: 27286252.
  94. Smarr MM, Grantz KL, Sundaram R, Maisog JM, Honda M, Kannan K, Buck Louis GM. Urinary paracetamol and time-to-pregnancy. Human Reproduction, 31(9):2119-2127, 2016. PMCID: PMC4991660 [Available on 2017-09-01].
  95. Eisenberg ML, Sundaram R, Maisog J, Buck Louis GM. Diabetes, medical comorbidities and couple fecundity. Human Reproduction, 31(10):2369-2376, 2016. PMCID: PMC5027928 [Available on 2017-10-01].
  96. Buck Louis GM, Sapra KJ, Barr DB, Lu Z, Sundaram R. Preconception perfluoroalkyl and polyfluoroalkyl substances and incident pregnancy loss, LIFE Study. Reproductive Toxicology, 65:11-17, 2016. PMCID: PMC5067185 [Available on 2017-10-01].
  97. Robledo CA, Yeung EH, Mendola P, Sundaram R, Boghossian NS, Bell EM, Druschel C. Examining the prevalence rates of preexisting maternal medical conditions and pregnancy complications by source: evidence to inform maternal and child research. Maternal and Child Health Journal, 2016. PMID: 27549105.
  98. Jaacks LM, Boyd Barr D, Sundaram R, Grewal J, Zhang C, Buck Louis GM. Pre-pregnancy maternal exposure to persistent organic pollutants and gestational weight gain: a prospective cohort study. International Journal of Environmental Research and Public Health, 13(9), 2016. pii: E905. PMCID: PMC5036738.
  99. *Ma L, Sundaram R. Modeling gap times in panel count data with informative observation times and unknown start time. Journal of the American Statistical Association, Theory & Methods, doi: 10.1080/01621459.2016.1246369, 2016.
  100. *Lum KJ, Sundaram R, Barr DB, Louis TA, Buck Louis GM. Perfluoroalkyl Chemicals, Menstrual Cycle Length, and Fecundity: Findings from a Prospective Pregnancy Study. Epidemiology, 28(1):90-98, 2017. PMCID: PMC5131715 [Available on 2018-01-01].
  101. Mendola P, Sundaram R, Buck Louis GM, Sun L, Wallace ME, Smarr MM, Sherman S, Zhu Y, Ying Q, Liu D. Proximity to major roadways and prospectively-measured time-to-pregnancy and infertility. Science of the Total Environment, 576:172-177, 2017. PMCID: PMC5164942 [Available on 2018-01-15].
  102. Patel CJ, Sundaram R, Buck Louis GM. A data-driven search for semen-related phenotypes of impaired human fecundity. Andrology, 5(1):95-102, 2017. PMCID: PMC5164952.
  103. Yeung EH, Sundaram R, Ghassabian A, Xie Y, Buck Louis GM. Parental obesity and early childhood development. Pediatrics, 139(2), 2017. pii: e20161459. PMID: 28044047.
  104. Smarr MM, Sapra KJ, Gemmill A, Kahn LG, Wise LA, Lynch CD, Factor-Litvak P, Mumford SL, Skakkebaek NE, Slama R, Lobdell DT, Stanford JB, Jensen TK, Boyle EH, Eisenberg ML, Turek PJ, Sundaram R, Thoma ME, Buck Louis GM. Is human fecundity changing? A discussion of research and data gaps precluding us from having an answer. Human Reproduction, 2017. PMID: 28137753.
  105. Bae J, Lynch CD, Kim S, Sundaram R, Sapra KJ, Buck Louis GM. Preconception stress and the secondary sex ratio in a population-based preconception cohort. Fertility and Sterility, 2017. pii: S0015-0282(16)63083-2. PMID: 28104242.
  106. Buck Louis GM, Smarr MM, Sundaram R, Steuerwald AJ, Sapra KJ, Lu Z, Parsons PJ. Low-level environmental metals and metalloids and incident pregnancy loss. Reproductive Toxicology, 69:68-74, 2017. pii: S0890-6238(17)30042-4. PMID: 28163209.
  107. Sundaram R, Mumford SL, Buck Louis GM. Couples’ body composition and time-to-pregnancy. Human Reproduction, 1-7, 2017. PMID: 28158570.
  108. Sundaram R, Ma L, Ghoshal S. Median cost analysis associated with recurrent episodic illnesses in the presence of terminal event. International Journal of Biostatistics, 13(1), April 28, 2017. PMID: 28453440.
  109. Ghassabian A, Sundaram R, Chahal N, McLain AC, Bell E, Lawrence DA, Yeung EH. Determinants of neonatal brain derived neurotrophic factor and association with child development. Development and Psychopathology, May 2, 1-13, 2017. PMID: 28462726.
  110. Vollet K, Ghassabian A, Sundaram R, Chahal N, Yeung EH. Prenatal fish oil supplementation and early childhood development in the Upstate KIDS Study. Journal of Development Origins of Health and Disease, April 24, 1-9, 2017. PMID: 28434427.
  111. Palmsten K, Flores KF, Chambers CD, Weiss LA, Sundaram R, Buck Louis GM. Most Frequently Reported Prescription Medications and Supplements in Couples Planning Pregnancy: The LIFE Study. Accepted by Reproductive Sciences.
  112. Michels K, Ghassabian A, Mumford S, Sundaram R, Bell E, Bello SC, Yeung E. Breastfeeding and motor development among term and preterm infants in a longitudinal U.S. cohort. American Journal of Clinical Nutrition, in press.
  113. Liu D, Yeung E, McLain AC, Xie Y, Louis GMB, Sundaram R. Analysis of nonignorable missing data in longitudinal regression: an application to Upstate KIDS Study. Paediatric and Perinatal Epidemiology, in press.
  114. Sapra KJ, Buck Louis GM, Sundaram R, Joseph KS, Bates LM, Galea S, Ananth CV. Time-varying effects of signs and symptoms on early pregnancy loss: Findings from a preconception cohort study. Revised for Paediatric and Perinatal Epidemiology.
  115. Grantz KL, Sundaram R, Ma L, Hinkle S, Berghella V, Hoffman MK, Lu Z., Reddy UM. Duration of the second stage of labor. Submitted.
  116. Mills J, Weck J, Kurunthachalam K, Buck Louis GM, Sundaram R. Iodine deficiency and delayed conception: The LIFE Study. Submitted.
  117. Ghassabian A, Sundaram R, Chahal N, McLain AC, Bell E, Lawrence DA, Gilman SE, Yeung EH. Inflammatory biomarkers and early development: a longitudinal study. Submitted.
  118. *Ma L, Biswas A, Sundaram R. Joint modeling of functional data and time-to-event: with application to fecundity studies. Submitted.
  119. *Mirzaei S, Yeung E, Louis GMB, Sundaram R. Assessing the distribution of discrete survival time in presence of recall error. Submitted.

Book Chapters:

  1. Sundaram R, Balakrishnan N. Semi-parametric inference for competing risks data. Methods and Applications of Statistics in Life and Health Sciences, pp. 749-765, Eds. Balakrishnan N, Read CB, Vidakovic B, Kotz S, Johnson NL; John Wiley and Sons, NJ, 2009.
  2. Sundaram R, Buck Louis GM, Kim S. Statistical modeling of human fecundity. Encyclopedia of Statistical Sciences, 1-7, 2010.