Intercourse should be avoided as much as possible at 33 weeks of pregnancy. 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 diligently, 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.