Similarly, a fetus with a 1-SD score larger abdominal-to-head circumference (AC/HC ... Second, because fetal ultrasound examinations in early pregnancy were used to establish gestational age ...

The ideal fetal position for birth is head down, spine parallel to the pregnant ... When a healthcare provider performs an ultrasound and vaginal exam near the end of pregnancy, they may find ...

Low first trimester vitamin D concentrations are associated with risk for preterm birth; higher levels correlate with fetal growth.