Disturbances of fetal heart rate during complicated pregnancy.
D002320:Cardiovascular Physiological Phenomena; D005260:Female; D005333:Fetus / Q000502:physiology*; D006340:Heart Rate, Fetal; D006347:Heart Sounds / Q000502:physiology*; D011247:Pregnancy; D011248:Pregnancy Complications
FETUS/physiology; HEART SOUNDS/physiology; PREGNANCY/complications