<p>Pharmacokinetics of hard micronized progesterone capsules via vaginal or oral route compared with soft micronized capsules in healthy postmenopausal women: a randomized open-label clinical study</p>

Abstract

Pharmacokinetic parameters were different between Yimaxin and Utrogestan on vaginal and oral administration. By the oral route, the metabolism and absorption of Utrogestan was superior to Yimaxin, while by the vaginal route Yimaxin was superior.