A woman who is one week past a confirmed due date has serial ultrasounds to determine:
Amniotic fluid volume
Fetal weight
Placental calcification
Comprehensive and Detailed Explanation From NCC-Aligned Sources:
Post-dates surveillance focuses on:
Amniotic fluid volume (AFI or deepest vertical pocket)
This is the most sensitive parameter of placental function
Oligohydramnios is strongly associated with post-maturity and perinatal morbidity
NCC and AWHONN emphasize amniotic fluid as the primary parameter for fetal well-being in post-term surveillance.
Why the incorrect answers are wrong:
B. Fetal weight → inaccurate and not used for surveillance decisions.
C. Placental calcification → poor predictor of fetal outcome and not used for management.
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