What is menstruation? Menstruation (pronounced men-stroo-EY-shuhn) is normal discharge of blood and tissue from the uterine lining through the vagina (see diagram) that occurs as part of a woman's monthly menstrual cycle. Menstruation occurs between menarche (pronounced muh-NAHR-kee), a girl's first period, and menopause, when menstrual cycles end. 1 The average menstruation time in normally ...
Menstruation (pronounced men-stroo-EY-shuhn) is normal discharge of blood and tissue from the uterine lining through the vagina (see diagram) that occurs as part of a woman's monthly menstrual cycle. Menstruation occurs between menarche (pronounced muh-NAHR-kee), a girl's first period, and menopause, when menstrual cycles end. 1 The average menstruation time in normally menstruating women is ...
NICHD participated in NIH research to understand if and how COVID-19 vaccinations affected menstruation. Learn more about the results of this research.
NICHD Director Dr. Diana W. Bianchi explains how menstruation provides insights into overall health status and encourages clinical researchers to routinely collect menstrual cycle data.
In addition, the Branch supports studies on neuroendocrine regulation of menstruation in women with and without related conditions, such as PCOS; on the regulation of pubertal onset and factors, including lifestyle issues such as caloric restriction or excessive exercise or stress, that influence menstruation initiation or cycling; and on ...
Louise L. Francesconi currently works at UNS Energy Corp., as Chairman, TMC Healthcare, Inc., as Chairman from 1999, Tucson Medical Center, as Chairman-Trustees Board from 1999, Accelerate Diagnostics ...
Menstruation Explained: Period Symptoms, Ovulation and PMS: By Shreoshree Chakrabarty Have you ever been curious about what really happens during menstruation when girls reach puberty and begin their ...