Examples
Some examples of progestins that have been used in hormonal contraceptives are norethynodrel (Enovid), norethindrone (many brand names, most notably Ortho-Novum and Ovcon), norgestimate (Ortho Tricyclen, Ortho-Cyclen), norgestrel, levonorgestrel (Alesse, Trivora-28, Plan B, Mirena), medroxyprogesterone (Provera, Depo-Provera), desogestrel, etonogestrel (Nexplanon), and drospirenone (Yasmin, Yasminelle, YAZ).
Sometimes progestins are classified by generation:
- First (estrane): norethindrone, norethynodrel, norethindrone acetate, ethynodiol diacetate
- Second (gonane): levonorgestrel, norethisterone, norgestrel
- Third (gonane): desogestrel, gestodene, norgestimate, drospirenone
- Fourth: dienogest, drospirenone, nestorone, nomegestrol acetate and trimegestone
Tanaproget is a non-steroidal progestin which is currently undergoing clinical trials.
Read more about this topic: Progestin
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