A nurse is assessing a newborn following a vaginal birth. Which of the following findings should the nurse identify as requiring follow-up? (Select All that Apply.)

A) Presence of a two-vessel umbilical cord:
The presence of a two-vessel umbilical cord (instead of the normal three vessels, which includes two arteries and one vein) is a significant finding that requires follow-up. A two-vessel cord can be associated with fetal anomalies, particularly with renal, cardiac, or chromosomal conditions. Therefore, it requires further evaluation to rule out any underlying conditions and ensure proper organ development.

B) Molding of the skull:
Molding of the skull is a normal and expected finding in newborns following a vaginal birth, especially after a long or difficult delivery. It refers to the temporary reshaping of the fetal skull bones as they overlap to pass through the birth canal. This is typically self-correcting and resolves within a few days, so no follow-up is needed for molding.

C) Asymmetry of ears:
Asymmetry of the ears can indicate congenital anomalies, such as craniofacial syndromes or other physical deformities. Although some degree of asymmetry can occur in newborns, especially in the first hours of life, persistent or significant asymmetry should be evaluated further. It may indicate an abnormality that requires follow-up or assessment by a specialist.

D) Tongue extending past the lower lip:
A tongue that extends past the lower lip is a normal finding in newborns, as babies are still developing their oral reflexes and muscle tone. This is not a cause for concern, and no follow-up is required unless other feeding issues arise. It's important to differentiate between normal tongue movements and more serious concerns like tongue-tie (ankyloglossia), but this is not indicative of a problem by itself.

E) Diminished breath sounds on one side:
Diminished breath sounds on one side of the chest can indicate a serious issue, such as a pneumothorax, diaphragmatic hernia, or other respiratory concerns. This finding warrants immediate follow-up, as the newborn could be experiencing a respiratory distress condition that needs urgent intervention and management. This is a significant finding requiring immediate evaluation.