Background: In recent years, new combined oral contraceptives (COCs) have become
available, representing an advance in terms of individualization and compliance by users …

BACKGROUND In recent years, several new oral contraceptives have become available. In
some ways, they represent an evolution in terms of individualization and compliance on the …

Combined oral contraceptives (COCs) are amongst the most popular means to prevent
unwanted pregnancy. Since their introduction to the US market in 1960, the variety and the …

Background The progestogen component of combined oral contraceptives (COC) has
undergone changes since it was first recognised that it's chemical structure could influence …

Background The progestogen component of oral contraceptives (OCs) has undergone
changes since it was recognized that their chemical structure can influence the spectrum of …

Given the valuable contraceptive and noncontraceptive benefits of combined hormonal
contraception (estrogen plus progestin), oral contraceptive pills (OCPs) have been widely …

INTRODUCTION—Combined estrogen-progestin oral contraceptives (COCs), also known
as birth control pills, provide reliable contraception as well as several noncontraceptive …

Since its introduction in 1960, the combined oral contraceptive (COC) pill has become one
of the most widely and frequently used methods of contraception worldwide. Although highly …

Three estradiol (E2)-containing oral contraceptives, estradiol valerate/cyproterone acetate
(E2V/CPA, Femilar®), estradiol valerate/dienogest (E2V/DNG, Qlaira®/NataziaTM), and …

Background Approximately 100 million women worldwide currently use a combined oral
contraceptive (COC) containing an estrogen-progestogen combination. 1 1 Brynhildsen J …