
pmid: 663208
The author reviewed 249 arterial placentograms obtained between 1964 and 1974. In some cases a placenta, which at first lies low and encroaches on the incipient lower uterine segment, will move upwards towards the fundus and come to rest wholly in the upper uterine segment as gestation progresses. The mechanism of this movement and the possible reasons why some placentae move and others do not are also discussed.
Fetus, Pregnancy, Movement, Placenta, Pregnancy Trimester, Third, Uterus, Placenta Previa, Humans, Female, Ultrasonography
Fetus, Pregnancy, Movement, Placenta, Pregnancy Trimester, Third, Uterus, Placenta Previa, Humans, Female, Ultrasonography
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