[Heart sound changes during birth].
D005260:Female; D005318:Fetal Heart / Q000187:drug effects / Q000502:physiology*; D005333:Fetus; D006326:Heart Auscultation; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy; D014149:Tranquilizing Agents / Q000008:administration & dosage
D014149:Tranquilizing Agents
Herztonveränderungen während der Geburt.