The 1.9 kg neonate is born precipitously via vaginal delivery to a 32-year-old mother who received no prenatal care or infectious disease serology testing before delivery. The mother has a history of intravenous drug use. Which intervention does the nurse perform first?

During the shift assessment of the healthy, full-term neonate born 24 hours ago to the 25-year-old G1P1 mother who had an uncomplicated pregnancy and delivery, the nurse notes the urethral meatus is on the ventral part of the penile shaft. The assessment is also notable for wide-spaced, downward-slanting eyes that resemble the baby’s father. The baby is pink, well-perfused, and breathing comfortably with normal heart and lung sounds. The mother reports the child is breastfeeding every 2 hours and has voided and stooled several times. Which additional assessment is most important? 

A cesarean section is the only safe method of delivery for the fetus when the pregnant woman has which condition?