The woman should reduce her sexual life after pregnancy because of the change in endocrine function, early pregnancy reaction and taking into account the impact on the embryo, the demand for sexual life and sexual response is reduced. The first three months of pregnancy, on the one hand, because the placenta has not yet developed, the connection between the placenta and the uterine wall is not close, on the other hand, progesterone secretion is not enough to give strong maintenance of the embryo, at this time to have sex, may cause abortion. Health tip: Sexual intercourse in early pregnancy is better than 1-4 times a month. Position movements, such as the husband’s arms straight normal position, cross position without pressure on the abdomen or expansion position, the action should be gentle, avoid violent stimulation. The husband should care for his wife and try to reduce sexual life in early pregnancy for the health of mother and child. The middle of pregnancy, the placenta has formed, the pregnancy is more stable; early pregnancy reaction has also passed, sexual desire increased, can moderate sex life. The middle of pregnancy moderate sexual life, beneficial to the couple love and the healthy development of the fetus. Research at home and abroad shows that: the couple’s feelings of harmony and love during pregnancy, pregnant women are happy, can effectively promote the growth and development of the fetus, the child born responsive, language development and physical health. But sex is not more than good, must be reasonably arranged, the sexual position and frequency to pay attention to, to avoid adverse effects on the fetus. Health tips: this is a safe period, sexual life to 1-2 times a week is appropriate, sexual intercourse can take the husband and wife accustomed to and comfortable position, but be careful not to press the abdomen, position can be used in the front side position, side lying position, front sitting position or back position. The husband should not stimulate the nipples of the pregnant woman. Pregnant women should pay attention to their own regulation, do not overexcite, so as not to induce miscarriage. Late pregnancy should try to avoid sexual life Late pregnancy, the pregnant woman’s abdomen is obviously bulging, body size and weight change significantly, the body is bulky, back pain, libido is reduced. The sensitivity of the uterus increases, any external stimulus even mild impact is easy to cause uterine contractions, triggering preterm labor. Health tips: couples should reduce the number of sexual intercourse as much as possible, to 1-4 times a month is good to avoid accidents. Sexual intercourse should be shortened, the action should be soft, it is best to use the husband from behind to hold the pregnant woman’s rear side position, to avoid causing abdominal pressure. After 36 weeks of pregnancy, sexual intercourse is strictly forbidden. At this time, the fetus begins to fall, sexual transactions make the opening of the uterus, causing bacterial infection, resulting in premature rupture of the fetal membranes, premature birth and intrauterine infection. Experts point out: for the health of mother and child, sexual intercourse should be absolutely prohibited. Couples can use kisses and hugs to convey their love and increase communication to enhance their feelings.