Etonogestrel is a third-generation synthetic progestin (a man-made version of progesterone, a hormone found naturally in our bodies).


Norgestimate is a third-generation synthetic progestin used exclusively in the combined pill along with ethinyl estradiol, a synthetic oestrogen


Norethisterone is a first-generation progestin with a long history of use.


Gestodene is like that friend who never wants to go anywhere on their own; a third-generation synthetic progestin, it’s almost always used in the combined pill alongside synthetic oestrogens.