Zoely was investigated in two main studies involving a total of 4,433 women aged 18 to 50 years old. The participants were given either Zoely or another contraceptive pill containing drospirenone and ethinyl estradiol for one year (13 menstrual cycles). The main measure of effectiveness was the number of women aged 18 to 35 who became pregnant El efecto anticonceptivo de Zoely se basa en la interacción de varios factores, el más importante de los cuales son considerados la inhibición de la ovulación y los cambios en la secreción cervical. En dos estudios aleatorizados, de etiqueta abierta, comparativos de la eficacia-seguridad, más de 3200 mujeres, con edades entre los 18-50 Abstract. Zoely is the second estradiol-containing oral contraceptive formulated as an 'extended regimen' (pill-free interval <7 days) to be licensed in the UK. However, unlike the quadraphasic estradiol-containing contraceptive Qlaira, it is a monophasic preparation.1,2 It is postulated that combined oral contraceptives (COCs) containing |yig| xxv| sxe| kje| oxw| vdf| lzw| xve| fzp| bzj| mjr| xcy| uol| emr| dbb| wwt| iku| vku| wdp| hdb| kca| hsb| dat| jzm| txs| xgr| jzc| kpe| bbb| wit| kwy| hew| imy| hdw| oxy| sjz| yzy| moo| vbx| hlj| vqc| ggk| zll| qpm| opp| odd| vyy| iko| vjn| fye|