Animals 58 Mice pregnancy Female 54 mouse 54 nonhuman 54 female 48 Pregnancy 46 controlled study 46 priority journal 40 animal tissue 36 article 36 animal experiment 34 animal 30 metabolism 22 animal model 18 gene expression 18 Article 16 adult 16 animal cell 16 Humans 14 Male 14 male 14 Disease Models, Animal 12 Mice, Inbred BALB C 12 Prenatal Exposure Delayed Effects 12 Uterus 12 enzyme activity 12 genetics 12 immunohistochemistry 12