Can I have intercourse at 33 weeks generally means can I have intercourse at 33 weeks of pregnancy and should avoid intercourse at 33 weeks of pregnancy. 33 weeks of pregnancy is in the late pregnancy period, from this time until the birth of the fetus, the mucous membrane of the vagina and uterus of the pregnant woman becomes extra soft during this period, if intercourse may lead to vaginal congestion and even lead to vaginal injury. The prostaglandins in the semen have a labor-inducing effect, making the cervix softer and more sensitive to oxytocin. After intercourse at this time, the pregnant woman may experience preterm labor under the action of multiple factors. When a pregnant woman experiences vaginal bleeding as a result of intercourse, she increases the risk of intrauterine infection. After developing fetal infection, fetal lung hypoplasia and late maturity may occur, raising the chances of fetal distress. At 33 weeks of pregnancy, pregnant women not only need to avoid intercourse, but also need to pay attention to the hygiene of their external genitalia. Pregnant women can change and wash their underwear regularly, dry them in a dry, ventilated and sunny place, and wash their vulva regularly with warm boiled water to keep it clean and dry. Exercise properly in late pregnancy to avoid overexertion and abdominal pressure. Pay attention to supplemental nutrition, you can eat more food with high protein content, such as eggs, lean meat, fish, soy products, etc.