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  2. High-dose estrogen therapy - Wikipedia

    en.wikipedia.org/wiki/High-dose_estrogen_therapy

    Levels of progesterone are 10 to 50 ng/mL in the first trimester and rise to 50 to 280 ng/mL in the third trimester, [40] with a mean of around 150 ng/mL at term. [41] Although only a small fraction of estradiol and progesterone are unbound in circulation, the amounts of free and thus biologically active estradiol and progesterone increase to ...

  3. Progesterone receptor - Wikipedia

    en.wikipedia.org/wiki/Progesterone_receptor

    The progesterone receptor (PR), also known as NR3C3 or nuclear receptor subfamily 3, group C, member 3, is a protein found inside cells. It is activated by the steroid hormone progesterone. In humans, PR is encoded by a single PGR gene residing on chromosome 11q22, [5] [6] [7] it has two isoforms, PR-A and PR-B, that differ in their molecular ...

  4. Progestogen (medication) - Wikipedia

    en.wikipedia.org/wiki/Progestogen_(medication)

    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]

  5. Relugolix/estradiol/norethisterone acetate - Wikipedia

    en.wikipedia.org/wiki/Relugolix/estradiol/...

    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 ...

  6. Estradiol valerate/hydroxyprogesterone caproate - Wikipedia

    en.wikipedia.org/.../hydroxyprogesterone_caproate

    Estradiol valerate/hydroxyprogesterone caproate (EV/OHPC), sold under the brand names Gravibinon and Injectable No. 1 (or Chinese Injectable No. 1) among others, is a combined estrogen and progestogen medication which is used in the treatment of threatened miscarriage and other indications (e.g., as a means of pseudopregnancy) [1] [2] [3] and as a form of combined injectable birth control to ...

  7. Pharmacodynamics of progesterone - Wikipedia

    en.wikipedia.org/wiki/Pharmacodynamics_of...

    Progesterone is a progestogen, or an agonist of the nuclear progesterone receptors (PRs), the PR-A, PR-B, and PR-C. [1] In one study, progesterone showed EC 50 Tooltip half-maximal effective concentration values of 7.7 nM for the human PR-A and 8.0 nM for the human PR-B. [5] In addition to the PRs, progesterone is an agonist of the membrane progesterone receptors (mPRs), including the mPRα ...

  8. Pregnancy hormones - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_hormones

    Progesterone prepares the endometrium for implantation, as the level of progesterone increases, the capillaries grow. [10] These capillaries spread throughout the granulosa layer of cells which promotes vascularization and blood flow in the endometrium, ensuring an adequate blood supply to the developing placenta and fetus. [ 10 ]

  9. Dydrogesterone - Wikipedia

    en.wikipedia.org/wiki/Dydrogesterone

    Dydrogesterone, sold under the brand name Duphaston among others, [1] is a progestin medication which is used for a variety of indications, including threatened or recurrent miscarriage during pregnancy, dysfunctional bleeding, infertility due to luteal insufficiency, dysmenorrhea, endometriosis, secondary amenorrhea, irregular cycles, premenstrual syndrome, and as a component of menopausal ...

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