The ovaries of a girl from before birth contain a huge number of follicles, several million of them. Not all reproductive cells survive to the age of puberty, but those that remain are quite ready for their main function, the formation of a new organism.
Every month, one (less often several) ovule matures in the ovaries of a sexually mature girl, which at some point leaves its bubble shell (follicle) and enters the fallopian tube. This complex process is what modern medicine calls ovulation. Without it, it is impossible to get pregnant naturally. And how exactly does ovulation occur, with what intervals, what are the signs of ovulation, and what to do if the favorable period for conception does not come?
The process of ovulation is the rupture of the bubble follicle and the exit from it of a reproductive cell that is ready to fertilize. In place of the ruptured dominant structural component of the ovaries, a temporary gland (yellow body) appears. It is the one that synthesizes hormones during ovulation and produces progesterone, which helps thicken the mucosal part of the uterus that is preparing for pregnancy. If fertilization does not occur, after 11-15 days the corpus luteum stops developing. Against the background of this process, the thickened mucous part of the uterus detaches, rupturing the small blood vessels. Menstrual bleeding begins.
The menstrual cycle takes place from the first day of the previous menstrual period to the first day of the next period. The duration of such a cycle may vary and usually ranges from 22 to 32 days.