This stage is also called a period because it is a cyclical process that repeats itself every month. In each woman, menstruation has a different duration, appearance, and amount.
Endometrium in the menstruation
By Iván Ferrer Durbà BSc (biologist & science teacher), Dra. Jessica García Cataño (gynecologist), Marta Barranquero Gómez (embryologist) and Romina Packan (invitra staff).
Last Update: 04/28/2020