[Sonographically detectable changes in placental structures in pregnancy. 4. Statistical comparison of the frequency distribution of placental stages 0-3 in newborn infants in a pregnancy of 37-42 weeks duration].
Among women with a duration of pregnancy between 37 and 42 gestational weeks procentual frequency, confidence intervals of O. Bunke, pounts of separability and areas of unsharpners were analysed. 1412 sonographical examinations were done in 645 pregnant women. Stage 0 was found statistically significant more frequent with error of probability alpha = 0.05… (More)