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Ethinylestradiol | Estrogen |
Norethisterone acetate | Progestogen |
Clinical data | |
Trade names | Estrostep, Loestrin, Microgestin, others[1] |
Other names | EE/NETA |
AHFS/Drugs.com | Professional Drug Facts |
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Routes of administration | By mouth |
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Ethinylestradiol/norethisterone acetate (EE/NETA), or ethinylestradiol/norethindrone acetate, is a combination of ethinylestradiol (EE) and norethisterone acetate (NETA) which is used as birth control and menopausal hormone therapy.[1][2] EE is an estrogen, while norethisterone acetate (NETA) is a progestin.[1] It is taken by mouth.[1] Some preparations of EE/NETA used in birth control additionally contain an iron supplement in the form of ferrous fumarate.[3]
In 2021, it was the 52nd most commonly prescribed medication in the United States, with more than 12 million prescriptions.[4][5] It is available as a generic medication.[6]
In addition, branded formulations of this hormone combination when used for birth control are only available by prescription in the US.
Brand names include Anovlar, Blisovi, Cumorit, Estrostep, FemHRT, Fyavolv, Gildess, Junel,[7] Larin, Leribane, Loestrin, Lo Loestrin (Lo Lo), Mibelas, Microgestin, Minastrin, Norlestrin, Primodos, Taytulla, and Tri-Legest, among others.[6][8]
In addition, the combination is sold in the United States under the brand name Femhrt for use in menopausal hormone therapy.[9][10][2]
Birth control methods | |||||||
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Long-acting reversible contraception (LARC) | |||||||
Sterilization |
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Hormonal contraception |
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Barrier Methods | |||||||
Emergency Contraception (Post-intercourse) | |||||||
Spermicides | |||||||
Behavioral |
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Experimental |
Androgens | |||||||||||||
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Estrogens | |||||||||||||
Progestogens |
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PRTooltip Progesterone receptor |
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mPRTooltip Membrane progesterone receptor (PAQRTooltip Progestin and adipoQ receptor) |
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