Seven days before ovulation is generally not pregnant, but not absolutely.
Women are sure that the time of intercourse is seven days before ovulation, after intercourse sperm survival forty-eight to seventy-two hours, after intercourse after seven days time sperm has died, this situation is generally not lead to women’s pregnancy.
In the case of ovulation, the chances of a woman getting pregnant are greater, in the two or three days before and after ovulation, the egg may meet the sperm after intercourse, the sperm is in a state of vitality, the woman will have the possibility of accidental pregnancy.
Pregnancy is a complicated process, the prerequisite is that both men and women have the ability to reproduce, there is ovulation in the case of coitus will have the possibility of pregnancy, no ovulation in the case of coitus, there is no formation of the conditions of fertilization, can not let the woman get pregnant.
But women’s ovulation time is not absolutely fixed, at any time there is a risk of accidental pregnancy, do not want to get pregnant for the time being, try to do a good job of contraceptive measures.