Evidence of a foetal role in determining the length of gestation.
D000757:Anencephaly / Q000503:physiopathology; D000818:Animals; D002417:Cattle; D002584:Cervix Uteri / Q000502:physiology; D004967:Estrogens / Q000096:biosynthesis / Q000652:urine; D005260:Female; D005333:Fetus / Q000502:physiology*; D005865:Gestational Age; D006041:Goats; D006801:Humans; D007743:Labor, Obstetric; D009119:Muscle Contraction; D011247:Pregnancy; D012756:Sheep; D014599:Uterus / Q000502:physiology
D004967:Estrogens