13. An ultrasound anatomical assessment at 16 to 20 weeks
is recommended because of increased rates of congenital
anomalies in this population. (II-2A)
14. As in other populations at risk of intrauterine growth restriction
(IUGR) and low birth weight, an ultrasound to assess fetal wellbeing
and estimated fetal weight at 32 to 34 weeks gestational
age is suggested to screen for IUGR. (III-A)