BACKGROUND: The NuvaRing is a soft, flexible, ring-shaped vaginal contraceptive device that is placed by the user herself. Incorrect placement has not been described, because any intravaginal position allows appropria...
Objective: To compare uterine tissue concentrations of ethinyl estradiol (EE) and etonogestrel (ENG) after one cycle of use of a contraceptive vaginal ring (NuvaRing;NV Organon, Oss, The Netherlands) or a combined ora...
To compare the bleeding patterns and tolerability of 3 different extended ring regimens with those of the standard 28- day cycle with 21 days of contraceptive vaginal ring use followed by 7 ring-free days. Methods: Fo...
OBJECTIVE: To investigate whether contraceptive vaginal ring use results in si milar estimated genital symptoms, signs, examination, and laboratory findings co mpared with oral contraceptive use. METHODS: Women were r...