North American Registry of Midwives (NARM) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 565

What percentage of infants born with only one umbilical artery are likely to have multiple, severe malformations?

10%

20%

30%

Infants born with only one umbilical artery are associated with an increased risk of congenital anomalies. Studies indicate that approximately 30% of these infants may present with multiple, severe malformations. This higher percentage stems from the fact that the presence of a single umbilical artery often correlates with underlying structural abnormalities or genetic syndromes. The mechanism behind this association can include disrupted blood flow and potential vascular insufficiencies during critical stages of fetal development. This understanding is critical for midwives, as it highlights the importance of careful monitoring and potential referral for further evaluation in cases where an infant presents with a single umbilical artery.

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