Estetrol (E4) is the most recently described natural estrogen. It is produced by the human
fetal liver during pregnancy and its physiological function remains unclear. E4 is the …

Introduction Estetrol (E4) is a native estrogen produced only by the fetal liver during
pregnancy. E4 is the first new estrogen to be used in hormonal contraception since the …

Objectives This study aimed to compare contraceptive efficacy and safety of drospirenone 4
mg in a 24/4-day regimen in nonobese and obese users and describe pharmacokinetics …

Ethinylestradiol and drospirenone combined oral contraceptive formulations have been
marketed for> 20 years. Drospirenone has antimineralocorticoid and anti-androgenic effects …

This chapter examines the potential of natural estrogens, particularly estradiol and estetrol,
in combined hormonal contraceptive pills as alternatives to the widely used synthetic ethinyl …

ABSTRACT Introduction Drospirenone/estetrol (DRSP/E4) is a combined oral contraceptive
(COC) recently approved in several countries. It is composed of 15 mg of E4, a natural …

OBJECTIVE: To assess the relationship of adherence and pregnancy in participants using
an estetrol and drospirenone combined oral contraceptive. METHODS: We performed a …

Esta revisión narrativa explora el papel potencial del estetrol (E4), un esteroide estrogénico
natural, en la anticoncepción, analizando sus propiedades farmacológicas, su efectividad y …

Comparative efficacy of combined oral contraceptives and the levonorgestrel 52 mg IUD -
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В обзоре представлены современные данные о свойствах эстетрола, а также нового
комбинированного орального контрацептива (КОК), содержащего эстетрол и …