The chances of having a problem with amniocentesis are unlikely. Amniocentesis is a prenatal diagnosis to further clarify whether the fetus in utero has neurological disorders, chromosomal abnormalities, genetic abnormalities, congenital hereditary metabolic disorders, etc. It is recommended to perform amniocentesis between the 18th and 26th weeks of pregnancy to provide a basis for clinical diagnosis. Since amniocentesis is a traumatic test, there are certain risks, such as it may lead to spillage of amniotic fluid, pain at the injection site, vaginal bleeding, failure of puncture, intrauterine infection, cardiovascular accidents and other adverse reactions, but the chances of these problems occurring are not great. In order to avoid the adverse effects of amniocentesis, doctors will do all the relevant examinations and assessments before the operation to minimize the risks. If the symptoms of amniocentesis are not relieved, it is recommended to go to the hospital for treatment.