With respect to screening tests in the 2nd trimester, which of the following statements is correct?
A. measurement of the symphysis-fundal ht is not a screening test.
B. Umbilical artery doppler evaluation is a sueful screening tool for intrauterine growth restriction
C. Maternal serum screening may be offered to assess the risk of Down syndrome
D. screening for gestational diabetes is not carried out in the 2nd trimester
E. an RH-neg woman in whom no anti-D was detected in the first trimester doesn't need to be tested for anti-D at 28 wks
(this multiple choice question has been scrambled)