There is a chance of pregnancy if you have sex on the last two days of your period, but the chances are low. It is not recommended to have intercourse during menstruation, as it is easy to cause infection. 1. There is a chance of pregnancy: some women have irregular menstrual cycles and ovulation time is not fixed. Women’s ovulation may also be affected by a number of factors, such as environmental changes, irregular work and rest, late night stress, mood swings, sexual impulses, etc., which will affect the time of ovulation, may be early or delayed ovulation, etc., the last two days of menstruation have sex will also have a chance of pregnancy. 2. low chance of pregnancy: two days after menstruation sex, if ovulation is normal for women, this time the chances of ovulation is not great, because the day of ovulation is the fourteenth day before menstruation, the day of ovulation is about five days belong to the danger period, two days after menstruation if the chances of getting pregnant in the safe period is very low. It is best not to have intercourse during menstruation because it is easy to cause infection, endometriosis, secondary infertility, increased menstrual flow and other symptoms, which is not good for women’s health. After the last two days of menstruation if the period is delayed after sex, you need to go to the hospital to clarify whether you are pregnant or not, and if you exclude pregnancy, you need to clarify whether there are reasons such as irregular menstruation.