Failure of fetal platelets to aggregate in response to adrenaline and collagen.
D000244:Adenosine Diphosphate / Q000494:pharmacology; D003094:Collagen / Q000494:pharmacology*; D004837:Epinephrine / Q000494:pharmacology*; D005260:Female; D005333:Fetus / Q000502:physiology*; D005865:Gestational Age; D006801:Humans; D066298:In Vitro Techniques; D010973:Platelet Adhesiveness / Q000187:drug effects*; D011247:Pregnancy
D000244:Adenosine Diphosphate; D003094:Collagen; D004837:Epinephrine