In utero nature versus nurture.
D000818:Animals; D002869:Chromosome Aberrations / Q000235:genetics / Q000662:veterinary*; D025063:Chromosome Disorders; D005260:Female; D006734:Horse Diseases / Q000235:genetics*; D006736:Horses; D008431:Maternal-Fetal Exchange / Q000187:drug effects; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000187:drug effects*; D012306:Risk; D013723:Teratogens / Q000494:pharmacology*
D013723:Teratogens