title: Relation between the pregnancy zone protein and fetal sex.
mesh_terms: D001724:Birth Weight; D001769:Blood; D001789:Blood Group Antigens; D001798:Blood Proteins; D004589:Electrophoresis, Disc; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006242:Haptoglobins; D006801:Humans; D008297:Male; D008423:Maternal Age; D009929:Organ Size; D010298:Parity; D010920:Placenta; D011247:Pregnancy; D012723:Sex; D014470:Umbilical Cord
chemical_list: D001789:Blood Group Antigens; D001798:Blood Proteins; D006242:Haptoglobins