The onset of pregnancy largely depends on the lifestyle and method of contraception. It is believed that it is impossible to become pregnant during the menstrual cycle, because the non-secretive meter throws off the shell in the form of dead cells with bleeding. Is it really so easy?
Pregnancy comes when the spermatozoon will meet an egg and fertilize her. Such a sudden date may occur solely during the period of ovulation - the ripening of the polyp and isolating the egg. A healthy female organism "produces" the life-gate cells regularly, in the interval 21 –35 days. The date of conception is calculated quite primitively, alleged ovulation falls exactly in the middle between the monthly. The period of waiting is called menstrual cycle, countdown Which begins on the first day of the last menstruation and ends similarly. That is, if the gap between the beginning monthly before the onset of new is 28 days, then judging onondskeva, ovulation takes place on day 14, after which the egg cell walks 2 days in search of a spermatozoa and dies. A few days later it comes out of the sexual system.As it turned out, get pregnant in the period of menstruation maybeTherefore, it is not necessary to be guided exclusively to the calendar planning of "safe" days. Use additional contraception in the form of a condom or tableted preparations.