An S/D Ratio of the Umbilical Artery Can Be Used

question 4

Multiple Choice

An S/D ratio of the umbilical artery can be used to evaluate fetal well-being:

• A) beginning at 20 weeks of gestation.
• B) after 25 weeks of gestation.
• C) after 30 weeks of gestation.
• D) throughout the pregnancy.

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