Animals pregnancy Female 108 female 100 Pregnancy 99 nonhuman 92 controlled study 70 priority journal 70 animal 67 animal experiment 62 article 62 Mice 54 mouse 54 animal tissue 49 metabolism 45 protein expression 35 Article 32 rat 32 Male 31 Humans 30 Rats 30 animal model 27 human 26 male 26 physiology 24 Prenatal Exposure Delayed Effects 22 immunohistochemistry 21 signal transduction 21 adult 20 animal cell 20