Third-generation oral contraceptives are an association of low-dose ethinyl estradiol and potent testosterone-derived progestins, developed in order to improve general and vascular tolerance.

Norethindrone acetate, ethinyl estradiol; 0.5mg/2.5mcg, 1mg/5mcg; tabs. May be potentiated by CYP3A4 inhibitors (eg, erythromycin, clarithromycin, ketoconazole ...

Norethindrone 0.5mg, ethinyl estradiol 35mcg (7 tabs); norethindrone 0.75mg, ethinyl estradiol 35mcg (7 tabs); norethindrone 1mg, ethinyl estradiol 35mcg (7 tabs); inert (7 tabs). Thrombophlebitis ...

Methods 121 patients with OAA aged 14–25 years were randomised to receive: (1) a 17β-estradiol transdermal patch continuously with cyclic oral micronised progesterone (PATCH), (2) a combined ethinyl ...