| ||
Script: Mugihe cy'ibyumweru 3 ubwonko buba bugabanyijemo ibice bitatu by'ibanze byitwa ubwonko bubanza, ubwonko bwo hagati, n'ubwonko bw'inyuma. Iterambere ry'uburyo bwo guhumeka no gustya ibiryo riba naryo ryaratangiye. | ||
All ages referenced to fertilization, not last menstrual period. |