Endocrine changes in the ewe and her fetus correlated with uterine activity during parturition.
D000818:Animals; D004967:Estrogens / Q000378:metabolism*; D005260:Female; D005333:Fetus / Q000378:metabolism; D007743:Labor, Obstetric; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism*; D012756:Sheep; D014599:Uterus / Q000502:physiology*
D004967:Estrogens; D011374:Progesterone