A nurse is reinforcing teaching with the parents of an infant who has a Pavlik harness.
Which of the following statements should the nurse include in the teaching?

Choice A rationale:

Hegar's sign is a softening of the uterine isthmus, which occurs during early pregnancy. It is not related to changes in the color of the vagina and vulva.

Choice B rationale:

Chloasma refers to the appearance of dark, blotchy, and hyperpigmented skin patches that can occur during pregnancy, primarily on the face. It is not related to changes in the color of the vagina and vulva.

Choice C rationale:

Ballottement is a technique used during a physical examination to assess for a floating fetus within the amniotic fluid. It is not related to changes in the color of the vagina and vulva.

Choice D rationale:

Chadwick's sign is the purplish or bluish discoloration of the vaginal and vulvar mucosa that can occur during pregnancy. This sign is due to increased blood flow to the area, which is a normal physiological change in pregnancy.

Choice A rationale:

Hypercalcemia. Hypercalcemia refers to an elevated level of calcium in the blood. It is not typically a concern in a newborn, and monitoring for hypercalcemia is not necessary in this context. The infant's weight and maternal diabetes are more relevant factors to consider.

Choice B rationale:

Hypobilirubinemia. Hypobilirubinemia implies a low level of bilirubin in the blood, which is not a common concern in newborns, especially in the context of a newborn's weight and maternal diabetes. Monitoring for hyperbilirubinemia, which can lead to jaundice, would be more appropriate.

Choice C rationale:

Hypoglycemia. Hypoglycemia, or low blood sugar, is a significant concern in newborns of diabetic mothers. Newborns born to diabetic mothers are at increased risk of hypoglycemia due to the abrupt cessation of the continuous glucose supply from the mother's bloodstream after birth. Monitoring the newborn's blood glucose levels is crucial in this case.

Choice D rationale:

Decreased RBC. Monitoring for decreased red blood cell (RBC) counts is not typically a primary concern in a newborn, especially one born to a diabetic mother. Hypoglycemia, which can be a result of maternal diabetes, poses a more immediate and significant threat to the newborn's well-being.