The contractions will gradually disappear in 2-3 days after the amniocentesis, but if they persist for a long time, it is recommended to consult a doctor in time. Amniocentesis is an invasive test, and some contractions may occur for a short period of time after the test, which generally will not induce strong contractions, and the contractions will gradually disappear in 2-3 days, so there is no need to worry too much. However, after the amniocentesis, you should pay attention to rest, the best choice is to stay in bed to keep the fetus, and minimize unnecessary activities. If the contractions after amniocentesis last for a long time or are frequent, and there is obvious pain in the abdomen, or even a small amount of vaginal bleeding, we should be alert to the occurrence of preterm labor, etc., and be hospitalized as soon as possible, applying fertility preservation medications to treat the baby, such as taking dexmedetomidine tablets under the guidance of the doctor, and at the same time, closely monitoring the changes of the fetal heartbeat in the uterus. If there is obvious discomfort after amniocentesis, the patient should be actively diagnosed and treated.