This study aimed to compare the effects on hemostasis variables of a contraceptive vaginal ring with those of an oral contraceptive.
Comparative effects of a contraceptive vaginal ring delivering a nonandrogenic progestin and continuous ethinyl estradiol and a combined oral contraceptive containing levonorgestrel on hemostasis variables.
CHDR
Rad M, Kluft C, Ménard J, Burggraaf J, de Kam ML, Meijer P, Sivin I, Sitruk-Ware RL
