A comparison of the effects of oral contraceptives on the clinical and biochemical manifestations of polycystic ovary syndrome: a crossover randomized controlled trial

Do oral contraceptives (OCs) containing progestins with low androgenic or antiandrogenic activities have different effects to those containing levonorgestrel (LNG) on clinical, androgenic and metabolic manifestations of polycystic ovarian syndrome (PCOS)?The three OCs tested had similar effects on clinical findings of hyperandrogenism (HA), whereas products containing LNG were less effective on androgenic profiles and had detrimental effects on...