These tests can do the diagnosis of CAH. They include: 1)       Parenteral testing- They include: a) Amniocentesis- During this test, a small needle is used to take a sample of amniotic fluid from the mother’s womb and sent for microscopic examination of the cells. b) Chorionic villus sampling- During this test, cells are taken from the placenta for microscopic studies. 2)       Tests performed for children and young adults are: a) Physical examination- During the physical examination, the doctor will examine the patient completely to look for any signs of abnormalities. b) Medical and hereditary history- The doctor records the medical history and hereditary history of the patient for further evaluation and care. c) Blood and urine tests d) Genetic testing