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DMPA, under brand names such as Depo-Provera and Depo-SubQ Provera 104, is used in hormonal birth control as a long-lasting progestogen-only injectable contraceptive to prevent pregnancy in women. [ 38 ] [ 39 ] It is given by intramuscular or subcutaneous injection and forms a long-lasting depot , from which it is slowly released over a period ...
Medroxyprogesterone acetate (brand names Depo-Provera, Provera, Depo-subQ Provera 104) [4] – 150 mg (intramuscularly) or 104 mg (subcutaneously) every 3 months [3] Norethisterone enanthate (brand names NET EN, Noristerat, Norigest, Doryxas) [ 5 ] – 200 mg (intramuscularly) every 2 months [ 3 ]
Combined oral contraceptive pills are a type of oral medication that were originally designed to be taken every day at the same time of day in order to prevent pregnancy. [ 26 ] [ 37 ] There are many different formulations or brands, but the average pack is designed to be taken over a 28-day period (also known as a cycle).
The ring is placed in the vagina and releases estrogen and progestin to prevent pregnancy. (Getty Images) ... (DMPA, or Depo-Provera), which protects against pregnancy for 13 weeks.
Certain progestogens are used to support pregnancy, including progesterone, hydroxyprogesterone caproate, dydrogesterone, and allylestrenol. They are used questionably for treatment of recurrent pregnancy loss and for prevention of preterm birth in pregnant women with a history of at least one spontaneous preterm birth. [42]
Medroxyprogesterone, also known as 6α-methyl-17α-hydroxyprogesterone or as 6α-methyl-17α-hydroxypregn-4-en-3,20-dione, is a synthetic pregnane steroid and a derivative of progesterone. [ 2 ] [ 3 ] It is specifically a derivative of 17α-hydroxyprogesterone with a methyl group at the C6α position.
It is believed that combined hormonal contraceptives work primarily by preventing ovulation and thickening cervical mucus. Progestogen-only contraceptives can also prevent ovulation, but rely more significantly on the thickening of cervical mucus. Ormeloxifene does not affect ovulation, and its mechanism of action is not well understood.
Depending on the presumed underlying cause of bleeding, medical management with progestogen-only pills, combined oral contraceptives, or tranexamic acid may be appropriate. One study found that 76% of patients who took oral medroxyprogesterone acetate (20 mg) for treatment of bleeding unrelated to pregnancy saw resolution of their bleeding. The ...