Why sex, really? To get pregnant, women may need to be 'inoculated' by men first.
Fox
Douglas
D
D000026:Abortion, Habitual / Q000276:immunology*; D017152:Antibodies, Antiphospholipid / Q000097:blood; D003075:Coitus; D005314:Embryonic and Fetal Development / Q000276:immunology; D005260:Female; D006801:Humans; D016756:Immunoglobulins, Intravenous / Q000008:administration & dosage; D008297:Male; D011247:Pregnancy / Q000276:immunology*; D014481:United States
D017152:Antibodies, Antiphospholipid; D016756:Immunoglobulins, Intravenous