Effects of extended regimens of the contraceptive vaginal ring on carbohydrate metabolism.

Background: There are few publications on the metabolic effects of extended regimens of the contraceptive vaginal ring. The aim of this study was to assess changes in fasting plasma glucose levels and insulin concentration of women using the contraceptive vaginal ring continuously over a 1-year period.

Study Design: This prospective cohort enrolled 75 women (ages 18-37 years) who used a contraceptive vaginal ring releasing 120 mcg of etonogestrel and 15 mcg of ethinyl estradiol daily continuously for 84 days, followed by a 7-day ring-free interval, during 1 year.

Extended regimens of the contraceptive vaginal ring versus hormonal oral contraceptives: effects on lipid metabolism.

Background: Combined oral contraceptives used in an extended regimen have been studied because of their potential benefits; however, there have been few publications on extended regimens of contraceptive vaginal rings. The aim of this study was to assess the effects of these two extended regimens on the lipid metabolism of women using these contraceptive methods during 1 year.

Study Design: This prospective study enrolled 150 women: 75 used a vaginal contraceptive ring (11.

Extended regimens of the vaginal contraceptive ring: cycle control.

Background: Oral contraceptives used for extended periods of time have been extensively studied because of their potential benefits; however, there have been few publications on extended regimen of vaginal rings. The aim of this study was to compare the bleeding patterns of women using extended regimens of the vaginal ring or oral contraceptives.

Study Design: Prospective cohort involving 150 women: 75 used vaginal rings that release 120 mcg of etonogestrel and 15 mcg of ethinyl estradiol daily, and 75 took oral contraceptives containing ethinyl estradiol 0.

Monthly injectable contraceptive use by adolescents in Brazil: evaluation of clinical aspects.

Purpose: This prospective noncomparative observational study evaluated the clinical symptoms, body weight and blood pressure of 38 adolescents receiving a monthly injectable contraceptive containing estradiol valerate 5 mg and norethisterone 50 mg.

Methods: The volunteers, aged 16-19 years, were examined monthly during 1 year and asked about the following symptoms at baseline: dysmenorrhea, headache, breast tenderness, leg pain and irritability.

Results: There was a constant and gradual decline in each of the above symptoms over time, and there was a statistically significant difference between symptoms reported at the first visit and subsequent appointments.

Bleeding patterns of women using extended regimens of the contraceptive vaginal ring.

Introduction: This prospective observational study evaluated the bleeding patterns of women using a vaginal ring releasing 120 microg of etonogestrel and 15 microg of ethinyl estradiol daily, over a continuous period of 84 days followed by 7 ring-free days.

Methods: The study enrolled 75 volunteers aged 18 to 37 years. Sixty-two (82.