by hypothesizing that oral contraceptives ( oc 's ) might have a carcinogenic effect on glandular cells of the cervix if given during periods of active metaplasia ( e.g. , postmenarchal adolescence ) , an increasing rate of cervical adenocarcinoma was predicted in young women who had been teenagers when oc 's were introduced roughly 20 years ago .
C0007874
cervix
C0279672
cervical