It is possible to get pregnant when you have a period of intercourse. The process of intercourse will stimulate the woman to produce a lot of estrogen, which will stimulate the follicle to develop and mature, thus releasing the egg. When the egg and the sperm meet, it will lead to pregnancy. The estrogen level in the female body is relatively low when the menstruation is about to come, and there will not be a mature egg discharged, the possibility of pregnancy at this time is relatively small, but it is also possible, the women who don’t have the requirement of childbearing need to take good safety measures to avoid accidents. The menstrual period is just about to come to have intercourse may lead to delayed menstruation or early menstruation, before and after having intercourse need to pay attention to local cleanliness and hygiene, to avoid infection, but also need to pay attention to whether there is the appearance of discomfort during menstruation.