Progestins are classified according to their structure in C19 and C21 progestagens.
The active ingredient in POPs, progestin, does not stay in the body's system for very long — typically 24 hours.
Some of them contain estrogen and progestin while others contain only progestin.
Regarding the progestogen-only pills, we talk about micro- or macroprogestatives depending on the dosage.
The new progestins include desogestrel, gestodene, and norgestimate, and even newer progestins are in development.
The former contain estrogen and progestin, while the latter contains only progestin.
– Progestogen implants and injections can be used from the sixth week postpartum.
The former contain estrogen and progestin, while the latter contains only progestin.
The title "U.S.P. Progesterone" differentiates natural progesterone from synthetic progestin’s or progestogens.
Oral contraceptives containing androgenic progestins
Oral contraceptives containing androgenic progestins
Oral contraceptives containing androgenic progestins
These compounds are potent progestogens which are devoid of residual androgenic activity.
Experiences with other progestogens indicate that progestogens and their metabolites are found in small quantities in breast milk.
Oral contraceptives containing androgenic progestins
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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