Plasma progesterone concentrations after administration via intravaginal rings.
D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D011374:Progesterone / Q000008:administration & dosage* / Q000097:blood; D013488:Suppositories; D014621:Vagina
D013488:Suppositories; D011374:Progesterone