Excessive intimacy in pregnancy, usually refers to sex after pregnancy, the early stage of pregnancy as well as the late stage of pregnancy can not have sex, in the middle of pregnancy, there is no abnormalities, can be appropriate to have sex. In the early stages of pregnancy, that is, the first three months of pregnancy, the embryo is not stable, you can not have sex, after sex may cause preterm miscarriage. In the late stage of pregnancy, that is, after seven months of pregnancy, due to the large fetus, sex may induce premature labor, so also can not have sex. After the third month of pregnancy, before the seventh month, belongs to the middle stage of pregnancy, at this time the embryo is more stable, if there is no other abnormalities, you can moderate sex, but should reduce the number of times of sex, sex force should not be too much, before and after sex should pay attention to physiological hygiene. After having sex during pregnancy, it is recommended to go to a regular hospital in time for medical treatment when symptoms such as vaginal bleeding and pain are found. Usually do a good job of pregnancy test, found abnormalities timely treatment.