The biparietal diameter is ________
A) the distance from the placenta to the fetus
B) used to measure breast cysts on mammography
C) checked often during labor and delivery
D) used to measure the head of the fetus
D
Explanation: A) The distance from the placenta to the fetus is never measured.
B) Breast cysts are measured in centimeters.
C) The biparietal diameter is measured during prenatal visits, not often during labor.
D) Correct! The biparietal diameter measures the distance between the two parietal bones of the fetal cranium to calculate the gestational age.
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