Ethinylestradiol/norethisterone acetate

Ethinylestradiol/norethisterone acetate, also known as ethinyl estradiol/norethindrone acetate, is a combination of ethinylestradiol and norethisterone acetate which is used as birth control.[1] Ethinylestradiol is an estrogen while norethisterone acetate is a progestin.[1] It is taken by mouth.[1]

Not to be confused with Ethinylestradiol/norethisterone.

Ethinylestradiol /
norethisterone acetate
Combination of
EthinylestradiolEstrogen
Norethisterone acetateProgestogen
Clinical data
Trade namesEstrostep, Loestrin, Microgestin, others[1]
AHFS/Drugs.comMonograph
Pregnancy
category
  • US: X (Contraindicated)
    Routes of
    administration    		By mouth (pill)
    ATC code
    Legal status
    Legal status
    Identifiers
    CAS Number
    PubChem CID

    In 2016 it was the 55th most prescribed medication in the United States with more than 14 million prescriptions.[2]

    Brand names

    Brand names include Anovlar, Blisovi, Cumorit, Estrostep, FemHRT, Fyavolv, Gildess, Junel, Larin, Leribane, Loestrin, Mibelas, Microgestin, Minastrin, Norlestrin, Primodos, Taytulla, Tri-Legest

    In addition, the combination is marketed in the United States under the brand name FemHRT for use in hormone replacement therapy for menopausal symptoms.[3]

    See also

    References
    1. "Estrogen-Progestin Combinations Monograph for Professionals". Drugs.com. AHFS. Retrieved 28 December 2018.
    2. "The Top 300 of 2019". clincalc.com. Retrieved 22 December 2018.
    3. "Drug Approval Package: Femhrt (Norethindrone Acetate & Ethinyl Estradiol) NDA# 21-065". www.accessdata.fda.gov. Retrieved 28 December 2018.


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