Menstruation is the process by which the endometrium sheds in the form of blood. It occurs monthly provided that fertilization and subsequent embryo implantation do not take place.
Read the full article on: Menstruation: symptoms and characteristics of the monthly period ( 72).
By Elena Izquierdo Trechera M.D., M.Sc. (gynecologist), Guillermo Quea Campos M.D. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Michelle Lorraine Embleton B.Sc. Ph.D. (biochemist).
Last Update: 03/22/2016
