Which of the following statements about Group B Streptococcus (GBS) in pregnancy is true?
GBS can only be transmitted to the baby during cesarean delivery.
GBS is a common bacterium found in the vaginal flora of women and is harmless in all cases.
Screening for GBS is typically performed at the first prenatal visit.
Intravenous antibiotics during labor are recommended for GBS-positive mothers to prevent neonatal infection.
The Correct Answer is D
Choice A rationale
GBS can be transmitted to the baby during both vaginal and cesarean deliveries if the mother is colonized with the bacteria. It is not limited to cesarean sections, hence why appropriate screening and treatment are essential.
Choice B rationale
GBS, although often harmless in the general population, can cause severe infections in newborns. This bacterium can be a source of severe neonatal infections like sepsis, pneumonia, and meningitis, necessitating preventive measures during pregnancy and delivery.
Choice C rationale
Screening for GBS is typically performed between 35 and 37 weeks of gestation, not at the first prenatal visit. This timing ensures accurate detection of the bacteria closer to the time of delivery.
Choice D rationale
Intravenous antibiotics during labor are recommended for mothers who test positive for GBS to prevent transmission to the baby. This intervention significantly reduces the risk of neonatal GBS infection.
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Correct Answer is A
Explanation
Choice A rationale
Brisk patellar deep tendon reflexes can indicate central nervous system irritability, which might suggest conditions like preeclampsia or eclampsia if accompanied by other symptoms. It's critical to assess and monitor for further complications.
Choice B rationale
A moderate amount of lochia on the perineal pad over 2 hours is normal postpartum bleeding and does not typically indicate an immediate concern if within expected ranges.
Choice C rationale
A fundus at the level of the umbilicus is an expected finding 4 hours postpartum and indicates normal uterine involution. It is not a priority concern at this stage.
Choice D rationale
Approximated edges of an episiotomy indicate that the incision is healing properly without signs of infection or dehiscence. This is a normal and expected finding in the postpartum period.
Correct Answer is A
Explanation
Choice A rationale
Uterine atony is a common complication following polyhydramnios because the excessive amniotic fluid can lead to uterine overdistension, which in turn can cause poor uterine
muscle tone and increased risk of postpartum hemorrhage.
Choice B rationale
Thrombophlebitis is an inflammation of a vein with clot formation, but it is not directly associated with polyhydramnios.
Choice C rationale
Postpartum preeclampsia is high blood pressure and signs of organ damage after delivery, but there is no direct link between polyhydramnios and this condition.
Choice D rationale
Retained placental fragments can lead to postpartum hemorrhage but are not specifically associated with polyhydramnios.