title: Characteristic changes of the pre-ejection period of the human fetal heart during umbilical cord complications.
mesh_terms: D005260:Female; D005315:Fetal Diseases / Q000503:physiopathology*; D005318:Fetal Heart / Q000503:physiopathology*; D005323:Fetal Monitoring / Q000379:methods; D006801:Humans; D007231:Infant, Newborn; D009200:Myocardial Contraction; D007744:Obstetric Labor Complications / Q000503:physiopathology; D011247:Pregnancy; D013599:Systole; D014470:Umbilical Cord