Intercourse is not recommended when you are newly pregnant and the fertilized egg has not yet been laid and is unstable. However, if the desire is strong and there are no abnormalities in the pregnancy or the fetus, intercourse can be moderate. The specific performance is to control the number of intercourse, each intercourse time should be short, shallow penetration, light action, specific to which degree to control, there is no definite, to the comfort of pregnant women _ prevail. Second, before and after intercourse should pay attention to hygiene, both sides wash their hands and external genitalia to reduce the risk of infection. In addition, special attention should be paid to avoid blowing during oral sex, because the air entering the vagina may cause air embolism if it accidentally enters the blood vessels, and in serious cases, pulmonary embolism occurs in pregnant women, which is very dangerous. However, in the early stages of pregnancy when the fetus is not stable, it is recommended to strictly avoid intercourse if the following conditions exist For example, unexplained vaginal bleeding, previous history of miscarriage or preterm delivery, current pre-eclampsia, low placental state, cervical insufficiency, gestational hypertension, twin or multiple pregnancies, history of cesarean section or myomectomy, inflammation of the reproductive tract in both partners, etc. All in all, if the pregnant woman and the fetus are normal in all indicators, you can have intercourse moderately, but you should try to avoid orgasm, while choosing external ejaculation, because nipple stimulation, orgasm and prostaglandins in semen can cause uterine contractions, which are generally mild and may induce miscarriage in heavy cases.