Gas exchange in the pregnant uterus.
D000818:Animals; D004285:Dogs; D005260:Female; D006041:Goats; D000882:Haplorhini; D006801:Humans; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000378:metabolism; D011247:Pregnancy; D011817:Rabbits; D012756:Sheep; D014599:Uterus / Q000378:metabolism*