Generally speaking, false contractions at 30 weeks do not require birth control. This is because at 30 weeks of pregnancy, due to the uterine muscles are more sensitive, there will be some contractions, these contractions are usually located in the lower abdomen, the contractions are short, about a few seconds to a dozen seconds, the contractions are weak, and will not lead to dilatation of the uterine opening, so it is called false contractions; Normal contractions start at the bottom of the uterus, are strong and long-lasting, and cause dilatation of the uterine opening, also known as effective contractions; therefore, false contractions are usually not needed for birth control. It is recommended to pay attention to rest during pregnancy, reasonable diet, appropriate activities, pay attention to fetal heartbeat; 30 weeks of pregnancy contractions to the hospital obstetrics department to distinguish between true and false contractions, to avoid the possibility of preterm labor, if necessary, artificial intervention and active preservation of the fetus.