title: Effect of Y chromosome on fetal growth-rate.
mesh_terms: D000941:Antigens; D001724:Birth Weight; D005314:Embryonic and Fetal Development; D005260:Female; D005333:Fetus / Q000276:immunology; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012730:Sex Chromosomes; D012737:Sex Factors; D014310:Triplets; D014427:Twins
chemical_list: D000941:Antigens