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Still, there are differences between progestogens, and various organizational systems exist to categorize the progestogen hormones used in oral contraception medications. By Generation - based on when it became available for use, each synthetic hormone can be grouped into 1 of 4 generations of medications. [ 12 ]
It works as a form of birth control by preventing ovulation. [10] MPA was discovered in 1956 and was introduced for medical use in the United States in 1959. [14] [15] [10] It is on the World Health Organization's List of Essential Medicines. [16] MPA is the most widely used progestin in menopausal hormone therapy and in progestogen-only birth ...
[16] [10] Development of EC/MPA was completed by the early 1990s and the medication was licensed to the WHO/HRP-established Concept Foundation as well as several pharmaceutical companies. [16] EC/MPA was introduced for use as a combined injectable contraceptive under the brand name Cyclofem and others in Mexico, Thailand, and Indonesia in 1993.
[126] [127] [124] Women who are not on a birth control pill or hormone therapy have a risk of VTE of about 1 to 5 out of 10,000 women per year. [126] [127] [116] [124] In women taking a birth control pill containing ethinylestradiol and a progestin, the risk of VTE is in the range of 3 to 10 out of 10,000 women per year.
Side effects can also vary by medication and, if a person has side effects with one OTC emergency contraception pill, that person may do better with another, Wider says. "So more options are ...
Drospirenone is a progestin and antiandrogen medication which is used in birth control pills to prevent pregnancy and in menopausal hormone therapy, among other uses. [1] [10] It is available both alone under the brand name Slynd and in combination with an estrogen under the brand name Yasmin among others.
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