Selected hormonal contraceptives: Oral contraceptives (birth control pills) and other delivery methods
Fe: contains iron; IUD: intrauterine device.
* Different progestins are not equivalent on a milligram basis. Refer to the UpToDate overview of combined hormonal contraceptives for guidance on selection.
¶ Also contains 451 mcg of levomefolate calcium per tablet. Beyaz is taken for 24 days followed by 4 days of levomefolate calcium alone. Safyral and Tydemy are taken for 21 days followed by 7 days of levomefolate calcium alone.
Δ Taken as active pills for 24 days and placebo for 4 days.
◊ Packaged as active tablets for 21 days and ferrous fumarate tablets for 7 days.
§ Also available as a 21-day regimen that does not contain iron.
¥ Packaged as active tablets for 21 days and placebo for 7 days.
‡ Also available in a 21-day regimen.
† The progestin norgestrel contains two isomers; only levonorgestrel is bioactive. The amount of norgestrel in each tablet is twice the amount of levonorgestrel.
Modified with special permission from The Medical Letter on Drugs and Therapeutics, October 8, 2018; Vol. 60 (1557):161-168. For more information on The Medical Letter, please visit www.medicalletter.org.
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