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  2. Pregnancy hormones - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_hormones

    Pregnancy hormones. Hormones during pregnancy are the result of an intricate interaction between hormones generated by different glands and organs. The primary hormones involved comprise human chorionic gonadotropin (hCG), progesterone, estrogen, human placental lactogen (hPL), and oxytocin. Hormones are synthesized in certain organs, including ...

  3. Maternal physiological changes in pregnancy - Wikipedia

    en.wikipedia.org/wiki/Maternal_physiological...

    These are normal physiological adaptations that cause changes in behavior, the functioning of the heart, blood vessels, and blood, metabolism including increases in blood sugar levels, kidney function, posture, and breathing. During pregnancy numerous hormones and proteins are secreted that also have a broad range of effects.

  4. 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.

  5. Human chorionic gonadotropin - Wikipedia

    en.wikipedia.org/wiki/Human_chorionic_gonadotropin

    InterPro. Human chorionic gonadotropin (hCG) is a hormone for the maternal recognition of pregnancy produced by trophoblast cells that are surrounding a growing embryo (syncytiotrophoblast initially), which eventually forms the placenta after implantation. [1][2] The presence of hCG is detected in some pregnancy tests (HCG pregnancy strip tests ...

  6. Estrogen - Wikipedia

    en.wikipedia.org/wiki/Estrogen

    Estrogen (British English: oestrogen; see spelling differences) is a category of sex hormone responsible for the development and regulation of the female reproductive system and secondary sex characteristics. [1][2] There are three major endogenous estrogens that have estrogenic hormonal activity: estrone (E1), estradiol (E2), and estriol (E3 ...

  7. Prenatal hormones and sexual orientation - Wikipedia

    en.wikipedia.org/wiki/Prenatal_hormones_and...

    Sexual orientation. The hormonal theory of sexuality holds that, just as exposure to certain hormones plays a role in fetal sex differentiation, such exposure also influences the sexual orientation that emerges later in the individual. Prenatal hormones may be seen as the primary determinant of adult sexual orientation, or a co-factor.

  8. Menstrual cycle - Wikipedia

    en.wikipedia.org/wiki/Menstrual_cycle

    Menstrual cycle The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system that makes pregnancy possible. The ovarian cycle controls the production and release of eggs and the cyclic release of estrogen and progesterone. The uterine cycle governs the preparation and maintenance of the lining of the ...

  9. Corpus luteum - Wikipedia

    en.wikipedia.org/wiki/Corpus_luteum

    The corpus luteum (Latin for "yellow body"; pl.: corpora lutea) is a temporary endocrine structure in female ovaries involved in the production of relatively high levels of progesterone, and moderate levels of estradiol, and inhibin A. [ 1 ][ 2 ] It is the remains of the ovarian follicle that has released a mature ovum during a previous ovulation.