| Topical wild yam preparations, which contain diosgenin, and progesterone creams were tested. |
| Ovulation will not occur and there will be no formation of a corpus luteum to secrete progesterone and oestrogen. |
| In girls, the female hormones oestrogen and progesterone are produced in the ovaries. |
| Women have two ovaries in their wombs and are the major source of female hormones, manufacturing oestrogen and progesterone. |
| In nonpregnant women, the main sites of progesterone biosynthesis are the ovaries and the adrenal cortices. |
| Unlike natural progesterone, synthetic progestogens are not metabolized into GABA-ergic neuroactive steroids. |
