The female is not only responsible for the production and. In the years before puberty, the female reproductive organs are immature and incapable of generating ova. At the beginning of puberty, the secretion of gnrh rises dramatically. Gnrh triggers a similar rise in gonadotropin levels. This in turn stimulates the onset of gametogenesis as well as the productions of estrogen and progesterone at the ovaries. In this way, hormone production has driven the chromosomal events that make reproduction possible. transport of the ova but also for everything else that enables a new human being to be born. Similarily to the male, in females, gametogenesis and hormone production are performed by the gonads, or the ovaries. once every month, the ovaries deliver an early ovum the the uterine or fallopian tube. The end of the tube near the ovaries are trumpet shaped and has featherly projections called fimbria.