STATEMENT OF PRENATAL SONOGRAPHIC IN THANH KHE - DA NANG Investigating the situation of prenatal ultrasound in 1466 pregnant women at Thanh Khe - Da Nang from 2012 to 2015, we found that: Following up during the pregnant period: 99.52% of pregnant women at Thanh Khe - Da Nang had done the prenatal ultrasound.