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  2. Lynestrenol - Wikipedia

    en.wikipedia.org/wiki/Lynestrenol

    Norethisterone (3-ketolynestrenol), the active metabolite of lynestrenol.. Lynestrenol itself does not bind to the progesterone receptor and is inactive as a progestogen. [7] [8] It is a prodrug, and upon oral administration, is rapidly and almost completely converted into norethisterone, a potent progestogen, in the liver during first-pass metabolism.

  3. 5α-Dihydronorethisterone - Wikipedia

    en.wikipedia.org/wiki/5α-Dihydronorethisterone

    Norethisterone and 5α-DHNET have been found to act as weak irreversible aromatase inhibitors (K i = 1.7 μM and 9.0 μM, respectively). [7] However, the concentrations required are probably too high to be clinically relevant at typical dosages of norethisterone.

  4. Norethisterone acetate - Wikipedia

    en.wikipedia.org/wiki/Norethisterone_acetate

    Norethisterone and ethinylestradiol levels over 24 hours after a single oral dose of 10 mg NETA in postmenopausal women. [ 25 ] NETA metabolizes into ethinylestradiol at a rate of 0.20 to 0.33% across a dose range of 10 to 40 mg. [ 26 ] [ 27 ] Peak levels of ethinylestradiol with a 10, 20, or 40 mg dose of NETA were 58, 178, and 231 pg/mL ...

  5. Norethisterone - Wikipedia

    en.wikipedia.org/wiki/Norethisterone

    Maternal androgenic symptoms occurred most often in women who received a dosage of norethisterone of 30 mg/day or more for a period of 15 weeks or longer. [17] In the female infants who experienced virilization of the genitals, the sole manifestation in 86.7% of the cases was varied but almost always slight enlargement of the clitoris. [17]

  6. Menstrual suppression - Wikipedia

    en.wikipedia.org/wiki/Menstrual_suppression

    Hormonal therapies to reduce or stop menstrual bleeding have long been used to manage a number of gynecologic conditions including menstrual cramps (dysmenorrhea), heavy menstrual bleeding, irregular or other abnormal uterine bleeding, menstrual-related mood changes (premenstrual syndrome or premenstrual dysphoric disorder), and pelvic pain due to endometriosis or uterine fibroids.

  7. Relugolix/estradiol/norethisterone acetate - Wikipedia

    en.wikipedia.org/.../norethisterone_acetate

    Estradiol is an estrogen, or an agonist of the estrogen receptors, whereas norethisterone acetate is a progestin (synthetic progestogen), or an agonist of the progesterone receptors. [14] Relugolix suppresses ovarian sex hormone production , whereas estradiol and norethisterone acetate provide hormonal add-back to reduce hypogonadal and ...

  8. Ethinylestradiol/cyproterone acetate - Wikipedia

    en.wikipedia.org/wiki/Ethinylestradiol/cyprotero...

    The risk of venous thromboembolism with EE/CPA-containing birth control pills is similar to that with EE and gestodene-, desogestrel-, and drospirenone-containing birth control pills and about 50 to 80% higher than with EE and levonorgestrel-containing birth control pills.

  9. Ulipristal acetate - Wikipedia

    en.wikipedia.org/wiki/Ulipristal_acetate

    Ulipristal acetate, sold under the brand name Ella among others, is a medication used for emergency contraception (birth control) and uterine fibroids. [1] [7] [8] As emergency contraception it should be used within 120 hours of vaginally penetrating intercourse. [1]

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