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Long Periods: Is Prolonged Menstrual Bleeding Cause for Concern?
What We Still Don't Know About Periods
Stem cells from menstrual blood could yield new therapies and diagnostic tools
The Menstrual Cycle - Phases, hormones and their functions
Stem cells from menstrual blood could yield new therapies and diagnostic tools
Eunice Kennedy Shriver National Institute of Child Health and Human Development - NICHD
Anatomy and Physiology of the Female Reproductive System
MENSTRUATION. Menstruation, also known as a period or…, by Riya
Getting Pregnant, Tennessee Reproductive Medicine
Female Sexual Organs
FertilityEd - During menstruation, the body sheds tissue and blood from the uterus through the vagina. This bloody discharge can vary from bright red to dark brown or black depending on how
Periods: Symptoms, Causes, Treatment, Cost, and Side Effects