[Observation of active fetal movement by ultrasonic process in the first months of pregnancy (author's transl)].
D005314:Embryonic and Fetal Development; D005260:Female; D005333:Fetus / Q000502:physiology*; D005865:Gestational Age; D006801:Humans; D009068:Movement; D011247:Pregnancy; D014465:Ultrasonics
Beobachtung fetaler Aktivität in der ersten Hälfte der Gravidität mit dem Ultraschall.