progestogens


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progestogens

Synthetic female sex hormones.
References in periodicals archive ?
The hormone drugs that concern us most are synthetic progestogens that continue to be prescribed, despite evidence that they can increase breast cancer risk.
Previous research has shown a reduced risk of ovarian cancer in women who take combined oral contraceptives, but most of the evidence relates to the use of older products, containing higher levels of oestrogen and older progestogens.
The Ohio program was developed in the wake of practice guidelines from the Society for Maternal-Fetal Medicine and the American College of Obstetricians and Gynecologists, both issued in 2012, on the use of progestogens to reduce the incidence of preterm birth (Am J Obstet Gynecol 2012;206:376-86 and Obstet Gynecol 2012;120:964-73).
"Generally estrogen improves mood and progestogens worsen mood.
Micronized oral progesterone seems to be a better option in comparison with synthetic progestogens because it has no metabolites with androgenic and glucocorticoid activities.
Pills containing one of the newer types of progestogen hormone - such as drospirenone, desogestrel, gestodene, and cyproterone - are associated with an increased risk of VTE than pills containing older progestogens such as levonorgestrel and norethisterone, it was found.
In addition, noting the changes in the World Health Organization's medical eligibility criteria, and possible increased risk of HIV acquisition with injectable progestogens, there is a shift in emphasis away from injectable progestogens towards alternative long-acting reversible contraceptives (Cu IUDs, intrauterine systems, subdermal implants); and, because of the possible increased risk of HIV acquisition, emphasis is given to the importance of condom use for women who choose to use injectable progestogens.
The tablet is a type of hormonal contraceptive, commonly called 'mini pill' or progestogen-only pill, that contains the active ingredient norethisterone, which is a synthetic progestogen, similar to the natural progestogens produced by the body.
There are currently two sorts of pills: the progestogen-only pill, which contains only a synthetic derivative of progesterone, and the combined pill, containing a combination of progestogens and a synthetic derivative of another hormone, oestrogen.
Among specific topics are why the choice of progestin matters in neuroprotection, neuroactive steroids and peripheral neuropathy, somatostatin and neuroprotection in the retina, thyroid hormone action on glioma cells, and the obligatory functions of gonadotropins and progestogens during early embryogenesis and their role in adults.
Injectable contraceptives, ideal for women who struggle to remember to take the pill regularly, contain only synthetic progestogens administered every two to three months.
(The OCs with desogestrel or gestodene and 20 mcg of ethinyl estradiol implied relative risks of VTE that were 23% and 17% lower, respectively, than the risks for the same progestogens with 30 mcg of ethinyl estradiol.)