<prompt> Cervix: Corpus ratio before pubey is1:022:011:033:01  <response>: The cervix and uterine body ratioAt bih 2:1Menarche 1:1Thereafter the enlargement of body occurs rapidly, the ratio becomes 1:2Ref: D.C. Dutta;s Textbook of Gynaecology, 6th edition, page no: 50 