Efficacy, cycle control, and side effects of low-and lower-dose oral contraceptives: a randomized trial of 20 μg and 35 μg estrogen preparations

MJ Rosenberg, A Meyers, V Roy - Contraception, 1999 - Elsevier
Estrogen content represents a tradeoff between cycle control and side effects, but few direct
comparisons of 20 and 30/35 μg preparations are available. To address this issue, we …

[HTML][HTML] The emerging use of the 20-μg oral contraceptive

A Poindexter - Fertility and sterility, 2001 - Elsevier
Objective: To highlight studies that investigated the efficacy, safety, and tolerability of low-
dose oral contraceptives (OCs) containing 20 μg of ethinyl estradiol (EE) and to discuss the …

Twenty micrograms vs.> 20 μg estrogen oral contraceptives for contraception: systematic review of randomized controlled trials

MF Gallo, K Nanda, DA Grimes, KF Schulz - Contraception, 2005 - Elsevier
Concern about estrogen-related adverse effects has led to progressive reductions in the
estrogen dose in combination oral contraceptives (COCs). This review of randomized …

Adding low-dose estrogen to the hormone-free interval: impact on bleeding patterns in users of a 91-day extended regimen oral contraceptive

AM Kaunitz, DJ Portman, H Hait, KZ Reape - Contraception, 2009 - Elsevier
BACKGROUND: A cross-study analysis of contraceptive clinical trials for two different 91-day
oral contraceptive (OC) regimens was performed to examine the impact on bleeding …

Norethindrone acetate 1.0 milligram and ethinyl estradiol 10 micrograms as an ultra low-dose oral contraceptive

DF Archer, ST Nakajima, AT Sawyer… - Obstetrics & …, 2013 - journals.lww.com
OBJECTIVE: To assess the efficacy, safety, and tolerability of an extended-duration,
combined hormonal oral contraceptive pill (OCP) that reduces the estrogen exposure by …

The efficacy and safety of a low-dose, 91-day, extended-regimen oral contraceptive with continuous ethinyl estradiol

R Kroll, KZ Reape, M Margolis - Contraception, 2010 - Elsevier
BACKGROUND: This clinical trial was conducted to demonstrate the efficacy and safety of a
91-day extended-regimen, low-dose combination oral contraceptive (OC) consisting of 84 …

Comparative profiles of reliability, cycle control and side effects of two oral contraceptive formulations containing 150 μg desogestrel and either 30 μg or 20 μg ethinyl …

M ÅKerlund, A Rødez… - BJOG: An International …, 1993 - Wiley Online Library
Objective To compare two oral contraceptive pills, both containing 150 μg desogestrel, but
with either 20 μg (Mercilon®) or 30 μg (Marvelon®/Desolett®) ethinyl oestradiol (EE) …

The lowest-dose, extended-cycle combined oral contraceptive pill with continuous ethinyl estradiol in the United States: a review of the literature on ethinyl estradiol 20 …

S Krishnan, J Kiley - International journal of women's health, 2010 - Taylor & Francis
Extended-cycle oral contraceptives (OCs) are increasing in popularity in the United States. A
new extended-cycle OC that contains the lowest doses of ethinyl estradiol (EE) and …

Ethinyl estradiol and 17β-estradiol in combined oral contraceptives: pharmacokinetics, pharmacodynamics and risk assessment

FZ Stanczyk, DF Archer, BR Bhavnani - Contraception, 2013 - Elsevier
The need to seek improved combined oral contraceptive (COC) efficacy, with fewer health
risks and better acceptability, has been ongoing since the introduction of COCs more than …

Efficacy, safety and sustainability of treatment continuation and results of an oral contraceptive containing 30 mcg ethinyl estradiol and 2 mg chlormadinone acetate, in …

HP Zahradnik, A Hanjalic-Beck - Contraception, 2008 - Elsevier
BACKGROUND: This open-label, noncontrolled study assessed the long-term efficacy and
tolerability of the monophasic combined low-dose oral contraceptive (OC) ethinyl estradiol …