It is usually possible to have intercourse at 13 weeks of pregnancy, but it should be avoided as much as possible during pregnancy to prevent unforeseen circumstances. At 13 weeks pregnant in the middle of pregnancy, intercourse is usually possible for those who need it. However, coitus during pregnancy is not recommended, especially in the first three months and the last three months of pregnancy, to prevent uterine contractions during coitus, inducing miscarriage, premature labor and so on. If you do not pay attention to personal hygiene during pregnancy, it is easy to cause vaginitis and intrauterine infection, which is not conducive to the health of the mother and fetus. For 13 weeks pregnant women, should pay attention to personal hygiene care, timely use of warm water to wash the perineum after intercourse, to improve their comfort. Pregnant women should also pay attention to moderating the number of coitus, and avoid excessive movement during coitus. After intercourse, pay attention to observe whether there are abnormalities, such as abdominal pain, vaginal bleeding. It is recommended that pregnant women take care of rest, ensure sufficient sleep time and balanced intake of nutrients. If there are any abnormalities such as lower abdominal pain or vaginal bleeding after intercourse, they should consult a doctor in time.