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MOYA FERNANDO MD; GRANNUM, PETER MD; PINTO, KATHY MS; BRACKEN, MICHAEL PhD; KADAR, NICHOLAS MD; HOBBINS, JOHN C. MD
Obstetrics & Gynecology: March 1985
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The use of ultrasound to identify the fetus at risk for postmaturity among postterm pregnancies was evaluated. The ultrasound findings in 85 postterm pregnancies were reviewed. No grade 0 or grade 1 placentas were observed and grade 2 and 3 placentas were found with similar frequency. The incidence of advanced postmaturity was 12.9%. Advanced postmaturity was found with grade 2 and 3 placentas. Oligohydramnios was very common (81.8%) among pregnancies resulting in postmaturity. The neonatal ponderal index was higher with grade 2 placentas than with grade 3 placentas. The presence of immature placentas (grade 0 or 1) is rare after 42 weeks of gestation. Placental grading cannot be used to predict postmaturity. (Obstet Gynecol 65:319, 1985)

© 1985 The American College of Obstetricians and Gynecologists