Table 1 Classification of progestogens
From: The effects of progesterones on blood lipids in hormone replacement therapy
Classification | Progestogen |
|---|---|
Natural | Progesterone |
Synthetic | Progestins |
A. Structurally related to progesterone | |
  1. Pregnane derivatives | |
  a. acetylated (also called 17-hydroxyprogesterone derivatives): medroxyprogesterone acetate, megestrol acetate, cyproterone acetate, chlormadinone acetate | |
  b. nonacetylated: dydrogesterone, medrogestone | |
  2. 19-norpregnane derivatives (also called 19-norprogesterone derivatives) | |
  a. acetylated: nomegestrol acetate, nestorone | |
  b. nonacetylated: demegestone, trimegestone, promegestone | |
B. Structurally related to testosterone (also called 19-nortestosterone derivatives) | |
  1. ethinylated: | |
  a. estranes: norethindrone (also called norethisterone), norethindrone acetate, norethynodrel, lynestrenol, ethynodiol diacetate | |
  b. 18-ethylgonanes: levonorgestrel, norgestrel, desogestrel, gestodene, norgestimate | |
  2. nonethinylated: dienogest, drospirenone |