What Determines Duration Of Menstruation And Amount Of Discharge? Expert’s Answer
Menstruation is a monthly bleeding from a woman's genitals when the uterus rejects the "old endometrium." The first day of menstruation is considered the first day of the menstrual cycle. Ovulation occurs somewhere in the middle of the menstrual cycle (which is the 14th day in case of a 28-day cycle) – the egg cell ready for fertilization enters the fallopian tube and begins to move to the uterine cavity. Under the influence of hormones, the endometrium starts preparing for a possible pregnancy and thickens. If pregnancy doesn’t occur, the redundant endometrium is detached and removed from the uterus with the menstrual blood, which results from injuries to the blood vessels, and mucus.