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. 2012 Dec 13;34(2):171–208. doi: 10.1210/er.2012-1008

Table 1.

Classification of progestogens

Classification Progestogen
Natural Progesterone
Synthetic
    Structurally related to progesterone
        Pregnane derivatives
            Acetylated MPA, megestrol acetate, chlormadinone acetate, cyproterone acetate
            Nonacetylated Dydrogesterone, medrogestone
        19-Norpregnane derivatives
            Acetylated Nomegestrol acetate, nesterone
            Nonacetylated Demegestone, promegestone, trimegestone
    Structurally related to testosterone
        Ethinylated
            Estranes Norethindrone, norethindrone acetate, ethynodiol diacetate, norethynodrel, lynestrenol, tibolone
            13-Ethylgonanes Levonorgestrel, desogestrel, norgestimate, gestodene
        Nonethinylated Dienogest, drospirenone