Couples in which both partners are obese may take from 55 to 59 percent longer to achieve pregnancy, compared to their non-obese counterparts, according to a study by researchers at the National Institutes of Health.
News
NICHD issues News Releases and Media Advisories to the news media. Spotlight and Research Feature articles explain NICHD research findings and public health issues to the general public. An Item of Interest is a short announcement of relevant information, such as a notable staff change.
Getting to Know the New NICHD Director
NICHD Director Dr. Diana Bianchi shares some thoughts about joining NICHD.
High levels of urinary paracetamol may impair male fertility, NIH study suggests
Couples in which the male partner had high levels of paracetamol in his urine took longer to achieve pregnancy than couples in which the male had lower levels of the compound, according to a preliminary study by researchers at the National Institutes of Health.
Weight loss before fertility treatment may improve pregnancy odds for women with PCOS
Overweight and obese women with polycystic ovary syndrome (PCOS) may have a greater chance of becoming pregnant if they lose weight before beginning fertility treatment, according to an analysis of two studies funded by the National Institutes of Health.
Couples’ pre-pregnancy caffeine consumption linked to miscarriage risk
A woman is more likely to miscarry if she and her partner drink more than two caffeinated beverages a day during the weeks leading up to conception, according to a new study from researchers at the National Institutes of Health and Ohio State University, Columbus.
NICHD appoints new chief for contraception research
NICHD has appointed Daniel S. Johnston, Ph.D., as Chief of its Contraception Research Branch.
Researchers identify molecule needed for sperm activation
Researchers funded by the National Institutes of Health have discovered the cellular switch that boosts the activity of sperm cells so that they can travel to the egg. The finding may lead to new options for male contraception as well as treatments for infertility resulting from problems with sperm mobility.
Only three genes needed for sperm production, mouse studies suggest
Recent NICHD-funded studies show in mice that only 3 genes are needed for sperm production, and the Y chromosome is not needed to make sperm precursors called spermatids. The findings may yield insight on potential treatments for male infertility.
Exploring Population Dynamics
NICHD’s Population Dynamics Branch supports research on a range of topics, including the factors that make populations rise and fall, such as fertility and mortality. We checked in with branch chief Rebecca Clark to learn more about the branch’s work.
Annual Report Highlights Population Health Research Findings
The NICHD’s Division of Intramural Population Health Research (DIPHR) provides research updates in its newly released annual report for 2014.
In Search of Answers for Those Struggling With Infertility
During National Infertility Awareness Week 2015, Dr. Alan Guttmacher explores the latest research in an article in the Huffington Po
Physical labor, hypertension and multiple meds may reduce male fertility
Working in a physically demanding job, having high blood pressure, and taking multiple medications are among health risks that may undermine a man’s fertility, according to a study by researchers at the National Institutes of Health and Stanford University, Stanford, California.
NIH study links ultraviolet filters to pregnancy delays
Certain sunscreen chemicals used to protect against ultraviolent rays may impair men’s ability to father children in a timely manner, according to a study by the National Institutes of Health and the New York state Department of Health’s Wadsworth Center. But the researchers caution that the results are preliminary and that additional studies are needed to confirm their findings.
June Wrap-Up: Promoting Men’s Health
During June—Men’s Health Month—the NICHD focused on encouraging men to make their health a priority.
Research Continues on Genetics of Prostate Cancer
We spoke with Constantine Stratakis, M.D., D.Med.Sc., Director of the NICHD's Division of Intramural Research, who has found variations in a gene (PDE11A) that appear to increase prostate cancer risk.
New Research on Male Contraceptive Methods
Contraception allows couples to prevent pregnancy or better control the timing of when they conceive. The NICHD’s Contraceptive Discovery and Development Branch (CDDB) supports research on new contraceptive methods, for women and for men, to meet the diverse needs of individuals throughout their reproductive lives.
Men’s Health is the Focus in June
On average, men die about five years earlier than women and have higher mortality rates from some cancers and heart disease, according to the Centers for Disease Control and Prevention (CDC). It’s important, then, that men talk to their health care providers about what types of preventive medical tests and activities they need to stay healthy.
How Can You Improve a Woman’s Health? Study the Health of Populations.
Epidemiology, the study of patterns and causes of health and disease in populations, is foundational to public health. Scientists in the NICHD's Epidemiology Branch apply epidemiologic approaches to answer questions about infertility, menstrual problems, birth defects, and other health issues.
NIH study links high cholesterol levels to lower fertility
High cholesterol levels may impair fertility in couples trying to achieve a pregnancy, according to a study by researchers at the National Institutes of Health, the University at Buffalo (New York), and Emory University in Atlanta.
April Wrap-Up: Raising Infertility Awareness
The NICHD spent the last month highlighting important information about infertility.