Doctors often perform a procedure entailing a piercing of the pregnant woman's abdomen And this procedure is more than safe - it is called amniocentesis. Under ultrasound guidance, a puncture is made in the anterior abdominal wall and a needle is inserted through the tissue to the fetal bladder☝🏻 Optimal to perform amniocentesis between 16-20 weeks. This procedure is performed for the following purposes: - early diagnosis of chromosomal and genetic diseases in the fetus; - amnioreduction (removal of "excess" fluid in cases of abundant amniotic fluid); - injection of drugs to assess the condition of the fetus when there is a suspicion of an active pathological process; - termination of pregnancy.