After pregnancy, there are early pregnancy, middle pregnancy and late pregnancy. Early pregnancy and late pregnancy are not allowed to have intercourse, mid-pregnancy fetal stability, normal examination, no physical discomfort can be appropriate intercourse, but we should pay attention to the magnitude and frequency. 1, early pregnancy is just the first three months of pregnancy, the placenta has not yet formed after the gestational sac is in bed, during this period, intercourse is prone to pre-miscarriage, is prohibited intercourse. In particular, women who have had a history of spontaneous abortion should absolutely avoid sexual intercourse. Because sexual intercourse can make the pelvic congestion, the uterus contraction and induced miscarriage. 2, mid-pregnancy uterine body gradually increased, the amount of amniotic fluid in the fetal membrane is also increasing, the tension has also become larger. During this period can be appropriate intercourse, but be careful to avoid the male partner action rough, but also easy to appear unexpected things. The first thing you need to do is to take a look at the actual website. Especially in the month before delivery, the harm caused by sexual intercourse is more obvious, and the chances of the above-mentioned situations are greatly increased, which can lead to fetal membrane infection, premature birth, and increased risk of fetal and neonatal death. After pregnancy, you must do a good job of pregnancy care, regular maternity checkups, and strive for a safe delivery.