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The percentage of breech presentations in the course of the 32nd to 40th week of gestation is 5.1%; vertex presentations were found in 94.9%. In the primiparae we found 6.0% of breech presentations against 4.3% in the multiparae. Sub partu there were breech presentations in 4.5% (in primiparae more often than in multiparae). A spontaneous change from… (More)
Now that ultrasonography is a routine examination in pregnancy, breech presentations are frequently diagnosed. On the basis of 4066 individual examinations a graph was drawn indicating the relative frequency of breech, vertex and transverse presentations in the course of pregnancy. There are clear, and in some cases statistically significant differences… (More)
Since ultrasonic examinations became routine practice in pregnancy rather often breech presentations are being found in the course of pregnancy. The amounts of breech, vertex presentation and cross position in the course of pregnancy are shown in a curve which is made from 2.240 single measurements. There are significant differences between primiparae and… (More)