Menstruation is the periodic discharge of blood, mucus, and tissues from the uterus associated with the cyclical phenomenon of ovulation. Menstruation is the epiphenomenum (an event caused by another and accompaning it) of the ovarian uterine cycles....

Menstruation is one of the signs of puberty. The purpose of menstruation is to prepare the women's bodies for pregnancy and childbirth. Every month, the lining of the uterus thickens to receive and nourish a fertilized egg (if a woman becomes...

The human female menstruates considerably more copiously than any other primate. Since ovulation in the human case has become concealed, this bleeding is one of the few indicators of fertility to have remained externally detectable. This may help...

Like anywhere else, menstruation in China is a deeply personal and yet evocative topic with multiple associations that vary widely by geographical region, age, gender, class, education, personal circumstances and many other factors. As an indicator of...

The menstrual cycle is a recurring cycle of physiologic changes that occurs in reproductive age females of several mammals, including human beings and other apes.[1] Humans are the only species that has a menstrual cycle with concealed ovulation. Other...

The Abnormal Menstrual Cycle Edited by M. Rees, H. Hope and V. Ravnikar Published in 2005 by Taylor & Francis, London, UK ISBN 1-84214-212-7 Hardcover, 196 pages, £65.00, $99.95 This is a well-presented and readable book with specific parts that may be of...

The possibility of gender differences in emotional expression or cognitive or intellectual ability has preoccupied both social scientists and the general public. However, once gender differences have been theorized, explanations for them become necessary. As John Richardson points out in the first chapter...

John Billings, the founder of a natural contraception method that won support among Catholics, has died, a colleague said Tuesday. He was 89.Billings died late Sunday at a Melbourne retirement home, said Marian Corkill, director of the World Organization Ovulation Method Billings International, better known...

John Billings, the founder of a Roman Catholic-friendly natural contraception method that made its greatest impact in communist China, has died at a Melbourne retirement home, a colleague said Tuesday. He was 89.Billings and his wife Evelyn pioneered the Billings Ovulation Method in the 1950s...