Fetal factor VIII and IX levels in early pregnancy and their significance in prenatal diagnosis.
D000649:Amniocentesis; D001780:Blood Coagulation Tests; D005164:Factor IX / Q000032:analysis*; D005169:Factor VIII / Q000032:analysis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D005865:Gestational Age; D006467:Hemophilia A / Q000175:diagnosis*; D002836:Hemophilia B / Q000175:diagnosis*; D006801:Humans; D008297:Male; D011247:Pregnancy; D011296:Prenatal Diagnosis
D005169:Factor VIII; D005164:Factor IX