Aunt didn't come to take any medicine to urge aunt

Female menstrual cramps, is due to the periodic impact of ovarian hormones, endometrial periodic exfoliation bleeding. In the first half of the menstrual cycle, the endometrium by estrogen influence was proliferative phase changes. After ovulation luteal formation, luteal secretion of progesterone, endometrial pregnancy hormone influence and secretion phase changes. The life span of corpus luteum is 14 days. After 14 days, corpus luteum atrophies, estrogen and progesterone levels in the body drop sharply, and the endometrium loses hormone support and exfoliates bleeding. Therefore, menstruation does not come, and estrogen and progesterone can be imitated in the menstrual cycle.