Antenatal diagnosis is concerned with determining the health condition of the unborn child. Main objectives of the prenatal diagnosis are: to establish whether there are abnormalities during pregnancy ; plan the treatment in case of abnormalities; resolve any doubts in cases of families where there is a history of certain genetic diseases and confirm that the fetus in question is a healthy one. Includes regular medical check-ups (at least once a month), ultrasound (at least three during pregnancy), regular measurement of body weight, blood pressure, protein in the urine, planning nutrition and health education of pregnant women (6). Detects, study, prevent and eliminate the causes that could endanger the health and lives of mothers and children. Early diagnosis of pregnancy is based on history, clinical examination, laboratory tests and ultrasound. Views and controls the progression of pregnancy are performed until 28 weeks at intervals of once a month, to 37 weeks in intervals of every three weeks, then once a week. The first ultrasound in normal pregnancy needs to be done to the 12th week of pregnancy, a second ultrasound examination of 18 to 22 weeks of pregnancy, and the third 32 to 34 weeks of pregnancy.