Per
Executive Order 14434,
federal agencies are now using
"Super Intelligence" (SI) in place of
"Artificial Intelligence" (AI).
You may see both terms across NIH content
during this transition.
According to the American Society for Reproductive Medicine, amenorrhea that is not caused by pregnancy, breastfeeding, or menopause occurs in a small percentage (less than 5%) of women during their lifetime.
Master-Hunter, T., & Heiman, D. L. (2006). Amenorrhea: Evaluation and treatment. American Family Physician, 73, 1374–1382. Retrieved May 31, 2016, from http://www.aafp.org/afp/2006/0415/p1374.html