Oestrogens and the unfavourable cervix.
D002584:Cervix Uteri / Q000187:drug effects* / Q000378:metabolism; D003094:Collagen / Q000378:metabolism; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D006801:Humans; D006909:Hydroxyproline / Q000378:metabolism; D007751:Labor, Induced; D011247:Pregnancy; D011292:Premedication
D004958:Estradiol; D003094:Collagen; D006909:Hydroxyproline