11-20-2011, 08:20 PM
A 27 y.o. G1P0 African American woman presents at 16 weeks' gestation for a prenatal visit. She has had one prior prenatal visit and no known medical complications of pregnancy. Which of the following genetic tests would only be offered if one of the others was positive?
A. Screening for thalassemia
B. Screening for sickle-cell anemia
C. Amniocentesis
D. Expanded maternal serum a- fetoprotein
E. Screen for cystic fibrosis
A. Screening for thalassemia
B. Screening for sickle-cell anemia
C. Amniocentesis
D. Expanded maternal serum a- fetoprotein
E. Screen for cystic fibrosis