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  2. Progesterone (medication) - Wikipedia

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

    Progesterone (P4), sold under the brand name Prometrium among others, is a medication and naturally occurring steroid hormone. [20] It is a progestogen and is used in combination with estrogens mainly in hormone therapy for menopausal symptoms and low sex hormone levels in women.

  3. Progesterone - Wikipedia

    en.wikipedia.org/wiki/Progesterone

    Progesterone ⓘ (P4) is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. [1] [13] It belongs to a group of steroid hormones called the progestogens [13] and is the major progestogen in the body. Progesterone has a variety of important functions in the body.

  4. Progestogen challenge test - Wikipedia

    en.wikipedia.org/wiki/Progestogen_challenge_test

    The progestogen challenge test, or progesterone withdrawal test, is a test used in the field of obstetrics and gynecology to evaluate a patient who is experiencing amenorrhea. Due to readily available assays to measure serum estradiol levels, this test is now rarely used.

  5. Mom diagnosed with breast cancer at 37 recalls the subtle ...

    www.aol.com/were-looking-lumps-mom-37-021957983.html

    Her cancer was HER2 positive, estrogen positive and progesterone positive, meaning that it has receptors that attract estrogen and progesterone. Bond first underwent 16 rounds of chemotherapy ...

  6. Some people say they're 'allergic to their period.' Here's ...

    www.aol.com/people-theyre-allergic-period-heres...

    Autoimmune progesterone dermatitis is a rare condition that can occur when progesterone rises during a woman's menstrual cycle. It can cause a physical reaction that may present differently ...

  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. Progestogen - Wikipedia

    en.wikipedia.org/wiki/Progestogen

    Progesterone is the major progestogen produced by the corpus luteum of the ovary in all mammalian species. Luteal cells possess the necessary enzymes to convert cholesterol to pregnenolone, which is subsequently converted into progesterone. Progesterone is highest in the diestrus phase of the estrous cycle.

  9. 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 11q 22, [ 5 ] [ 6 ] [ 7 ] it has two isoforms, PR-A and PR-B , that differ in their ...

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