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  2. 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.

  3. Development of the endocrine system - Wikipedia

    en.wikipedia.org/wiki/Development_of_the...

    e. The fetal endocrine system is one of the first systems to develop during prenatal development of a human individual. The endocrine system arises from all three embryonic germ layers. The endocrine glands that produce the steroid hormones, such as the gonads and adrenal cortex, arise from the mesoderm. In contrast, endocrine glands that arise ...

  4. 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.

  5. New Study Looks at How the Brain Changes During Pregnancy and ...

    www.aol.com/study-looks-brain-changes-during...

    The Brain During Pregnancy. In the new study, co-author Laura Pritschet, a PhD student, and her team determined that along with a rise in estrogen and progesterone, the gray matter in the pregnant ...

  6. Gender dysphoria in children - Wikipedia

    en.wikipedia.org/wiki/Gender_dysphoria_in_children

    Children with persistent gender dysphoria are characterized by more extreme gender dysphoria in childhood than children with desisting gender dysphoria. [2] Some (but not all) gender variant youth will want or need to transition, which may involve social transition (changing dress, name, pronoun), and, for older youth and adolescents, medical transition (hormone therapy or surgery).

  7. Fetal origins hypothesis - Wikipedia

    en.wikipedia.org/wiki/Fetal_Origins_Hypothesis

    The fetal origins hypothesis (differentiated from the Developmental Origins of Health and Disease hypothesis, which emphasizes environmental conditions both before and immediately after birth) proposes that the period of gestation has significant impacts on the developmental health and wellbeing outcomes for an individual ranging from infancy ...

  8. Reproductive endocrinology and infertility - Wikipedia

    en.wikipedia.org/wiki/Reproductive_endocrinology...

    Reproductive endocrinology and infertility (REI) is a surgical subspecialty of obstetrics and gynecology that trains physicians in reproductive medicine addressing hormonal functioning as it pertains to reproduction as well as the issue of infertility. While most REI specialists primarily focus on the treatment of infertility, reproductive ...

  9. Transgender pregnancy - Wikipedia

    en.wikipedia.org/wiki/Transgender_pregnancy

    Transgender pregnancy is the gestation of one or more embryos or fetuses by transgender people. As of 2024, [update] the possibility is restricted to those born with female reproductive systems . However, transition -related treatments may impact fertility.