How does menstrual cycle calculate?

summary

Menstrual cycle, also known as the physiological cycle of girls, is a sign of the reproductive life of girls. Generally, the menstrual cycle of girls is 28-30 days. Some girls have different menstrual cycles due to different physical fitness. Some girls have seasonal menstruation, even annual menstruation. The menstrual cycle is divided into follicular phase, ovulation phase and luteal phase. How does menstrual cycle calculate? Let's talk about it.

How does menstrual cycle calculate?

First: menstrual cycle algorithm [take 28 days as an example] menstruation - every other cycle when my aunt drives to the endometrium, there will be thickening, vascular proliferation, ciliary growth and secretion, and accompanied by endometrial necrosis and shedding. This is commonly known as the menstrual cycle, which generally lasts less than 2-7 days.

Second: follicular period - physiological safety period, from the first day of menstruation to the day before the highest peak of ovulation, is the follicular growth period, which is about 12-22 days. At this time, some primordial follicles begin to grow and develop until they are excreted.

Third: ovulation period - the period of maximum pregnancy. Under the stimulation of endocrine, the eggs slowly develop and mature, and begin to weaken the follicle membrane in the ovary, and begin to release mature eggs, and the eggs will be preserved in the female body for 48 hours.

matters needing attention

For girls who are not sure which day is their own ovulation period, you can use ovulation test paper to test and grasp their own ovulation period!