The Placenta

  • Mandfred Hansmann
  • Bernhard-Joachim Hackelöer
  • Alfons Staudach


Visualization of the placenta with B-mode ultrasound is superior to all other imaging techniques (Doppler method, radiographic placentography or arteriography, thermography, scintigraphy). It is the simplest means of establishing the topographic relation of the placenta to the uterine wall and cervix. This makes sonography the method of choice for localizing the placenta (excluding placenta previa) and for evaluating the separation of a normally positioned placenta. Localization of the placenta is an essential part of routine obstetric examinations. With the development of high-resolution gray-scale equipment, tissue differentiation of the placenta has become possible, although the correlation between ultrasound appearance and pathologic anatomy is not entirely clear. Ultrasound may be of value in the assessment of placental maturity and the recognition of a growth-retarded (SGA) fetus. It appears that the combination of clinical and sonographic data (hypertension, gestational age, growth retardation) can also provide a basis for predicting placental function in cases of accelerated placental maturation. Research into these areas is made all the more urgent by the disappointing results of hormonal methods for the diagnosis of placental insufficiency.


Basal Plate Placental Tissue Uterine Wall Placenta Previa Lower Uterine Segment 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1986

Authors and Affiliations

  • Mandfred Hansmann
  • Bernhard-Joachim Hackelöer
  • Alfons Staudach

There are no affiliations available

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