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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. Pregnancy test - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_test

    Medical providers often struggle to 'rule out' pregnancy for medical testing or treatment that cannot be conducted during pregnancy before they can do an accurate urine pregnancy test. [ 27 ] More rare, false negative results can also occur due to a " hook effect ", where a sample with a very high level of hCG is tested without dilution ...

  5. 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 ...

  6. 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 ...

  7. 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.

  8. Progestogen (medication) - Wikipedia

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

    Progesterone was first introduced for medical use in 1934 and the first progestin, ethisterone, was introduced for medical use in 1939. [ 6 ] [ 7 ] [ 8 ] More potent progestins, such as norethisterone , were developed and started to be used in birth control in the 1950s. [ 6 ]

  9. Hormone replacement therapy - Wikipedia

    en.wikipedia.org/wiki/Hormone_replacement_therapy

    [136] [137] In terms of injectable progestogens, injectable progesterone is associated with pain and injection site reactions as well as a short duration of action requiring very frequent injections, and is similarly not recommended in menopausal hormone therapy. [139] [137]

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