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Progestogen-only contraception (or progestin-only contraception) relies on progestogens alone to achieve contraception. [1] It is one of the two major types of hormonal contraception , with the other major type being combined hormonal contraceptive methods (including both estrogen and a progestogen). [ 1 ]
Progestogen-only pills," "Progestin-only pills," and "Progesterone-only pills" are terms each referring to the same class of synthetic hormone medications. The phrase "Progestogen-only pill" is used by the World Health Organization and much of the international medical community. [ 7 ]
Progestogen-only injectable contraceptives (POICs) are a form of hormonal contraception and progestogen-only contraception that are administered by injection and providing long-lasting birth control. [ 2 ] [ 3 ] As opposed to combined injectable contraceptives , they contain only a progestogen without an estrogen , and include two progestin ...
Side effects of progestogens include menstrual irregularities, headaches, nausea, breast tenderness, mood changes, acne, increased hair growth, and changes in liver protein production among others. [1] [2] Other side effects of progestogens may include an increased risk of breast cancer, cardiovascular disease, and blood clots. [2]
Side effects of etonogestrel include menstrual irregularities, breast tenderness, mood changes, acne, headaches, vaginitis, and others. [4] Etonogestrel is a progestin , or a synthetic progestogen , and hence is an agonist of the progesterone receptor , the biological target of progestogens like progesterone . [ 16 ]
The incidence of certain side effects is different for the different formulations: for example, breakthrough bleeding is much more common with progestogen-only methods. Certain serious complications occasionally caused by estrogen-containing contraceptives are not believed to be caused by progestogen-only formulations: deep vein thrombosis is ...
In dogs with transitional cell carcinomas, surgery is sometimes done when only a single tumor is present in the bladder. Most dogs, however, will need radiation, chemotherapy, and other medications.
The side effects of cyproterone acetate (CPA), a steroidal antiandrogen and progestin, including its frequent and rare side effects, have been studied and characterized.It is generally well-tolerated and has a mild side-effect profile, regardless of dosage, when it used as a progestin or antiandrogen in combination with an estrogen such as ethinylestradiol or estradiol valerate in women.