A woman gave birth to a 7-pound, 3-ounce infant boy 2 hours ago. The nurse determines that the woman's bladder is distended because her fundus is now 3 cm above the umbilicus and to the right of the midline. In the immediate postpartum period, the most serious consequence likely to occur from bladder distention is:

A) Mother Rh-, baby Rh+:
RhoGAM (Rh immune globulin) is administered to a mother who is Rh-negative and has delivered a baby who is Rh-positive. If the Rh-negative mother is exposed to Rh-positive blood (via the baby’s blood during delivery), her immune system may start producing antibodies against Rh-positive cells, which could affect future pregnancies. The RhoGAM injection works by preventing the mother from developing these antibodies, thereby protecting any subsequent pregnancies from hemolytic disease of the newborn (HDN) in which the mother’s antibodies attack the baby’s red blood cells. This is a crucial preventive measure to avoid sensitization to Rh-positive blood.

B) Mother Rh-, baby Rh-:
If both the mother and baby are Rh-negative, there is no concern about the development of antibodies because there is no exposure to Rh-positive blood. Therefore, RhoGAM is not necessary in this situation.

C) Mother Rh+, baby Rh+:
In this scenario, the mother is Rh-positive, so she cannot develop antibodies against Rh-positive blood, regardless of the baby's Rh status. Hence, RhoGAM is not required because there is no risk of Rh incompatibility.
D) Mother Rh+, baby Rh-:
Since the mother is Rh-positive, there is no risk of her immune system attacking an Rh-negative baby’s red blood cells. Thus, RhoGAM is not needed in this case either.

A) Keep the baby on his back to sleep:
Placing babies on their back to sleep is the most effective way to reduce the risk of sudden infant death syndrome (SIDS). The American Academy of Pediatrics (AAP) strongly recommends this practice. Babies should not sleep on their stomach or side because these positions increase the risk of suffocation. This position should be maintained until the baby is at least 1 year old, even though many parents may be encouraged to place babies on their tummies when they start rolling over on their own.

B) Keep the cord as dry as possible until it falls off:
It is important to keep the umbilical cord stump clean and dry until it falls off, which typically happens between 1-3 weeks of life. Moisture can cause infection, so avoiding unnecessary exposure to water and keeping the stump exposed to air is essential for healing. The area should not be submerged in water until the stump falls off, and the diaper should be folded down so it doesn’t rub against it, promoting proper drying and healing.

C) Always keep the baby dressed and wrapped in 2 blankets when you go outside:
This is not an ideal practice. Overheating can be dangerous for newborns, as they have a limited ability to regulate their body temperature. Instead of wrapping the baby in two blankets, the baby should be dressed appropriately for the weather—usually in one extra layer than an adult would wear in the same conditions. This ensures the baby stays warm without the risk of overheating, which is a risk factor for SIDS.

D) After your milk comes in your baby should have 3-4 wet or dirty diapers a day:
This information is inaccurate for a 2-day-old baby. After milk comes in (usually around day 3 or 4 postpartum), the baby should be producing at least 6-8 wet diapers a day and 3-4 dirty diapers by day 4 or 5. Fewer wet diapers or a decrease in bowel movements may indicate that the baby is not feeding effectively, and it is important to monitor this carefully. In the first few days, before the milk comes in, the baby might have fewer wet diapers, but by day 3-4, this is the standard for adequate hydration and nutrition.

E) Have the bulb syringe near the baby at all times:
Having a bulb syringe nearby is a good practice in case of respiratory distress. Newborns often have mucus in their airways, and a bulb syringe can help clear their nasal passages if they are having trouble breathing. While the baby should not be suctioned too frequently or aggressively, keeping a bulb syringe available can help manage mild congestion. Additionally, in the case of sudden breathing difficulties or choking, it’s important to be prepared.