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  2. Prenatal hormones and sexual orientation - Wikipedia

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

    [8] [57] Gooren found that organizational effects of prenatal androgens are more prevalent in gender role behavior than in gender identity, and that there are preliminary findings that suggest evidence of a male gender identity being more frequent in patients with fully male-typical prenatal androgenization. [8]

  3. Prenatal testosterone transfer - Wikipedia

    en.wikipedia.org/wiki/Prenatal_testosterone_transfer

    Most animal studies are performed on rats or mice. In these studies, the amount of testosterone each individual fetus is exposed to depends on its intrauterine position (IUP). Each gestating fetus not at either end of the uterine horn is surrounded by either two males (2M), two females (0M), or one female and one male (1M).

  4. Sex assignment - Wikipedia

    en.wikipedia.org/wiki/Sex_assignment

    Sex assignment (also known as gender assignment [1] [2]) is the discernment of an infant's sex, typically made at birth based on an examination of the baby's external genitalia by a healthcare provider such as a midwife, nurse, or physician. [3]

  5. Urobiologics LLC, A new phenomenon in women: The Uterus does ...

    lite.aol.com/tech/story/0022/20240801/9198005.htm

    We can also find the gender of a baby as soon as one gets a positive pregnancy test on day 1. This is the earliest gender test in the world. Dr. Verma’s Alternating-Phase Method comprises two types of urine tests: 1) PreGender Preconception Test, to guide a couple when to conceive a baby of a specific gender and 2) FirstGender Post-conception ...

  6. Your Gender Identity Can Change Over Time, And Yes, That’s ...

    www.aol.com/lifestyle/least-15-gender-identities...

    “If a doctor assigns gender based on genitalia when the baby is born and says, ‘It's a girl,’ and that person aligns with their gender, that's what it means to be cisgender,” says Golob. 4 ...

  7. Sexual differentiation in humans - Wikipedia

    en.wikipedia.org/wiki/Sexual_differentiation_in...

    The paramesonephric ducts develop into the uterus, fallopian tubes, and upper vagina (the lower vagina develops from the urogenital sinus). [9] There still remains a broad lack of information about the genetic controls of female development, and much remains unknown about the female embryonic process.

  8. Biology and sexual orientation - Wikipedia

    en.wikipedia.org/wiki/Biology_and_sexual_orientation

    In this way, our gender identity (the conviction of belonging to the male or female gender) and sexual orientation are programmed or organized into our brain structures when we are still in the womb. There is no indication that social environment after birth has an effect on gender identity or sexual orientation." [77]

  9. Causes of gender incongruence - Wikipedia

    en.wikipedia.org/wiki/Causes_of_gender_incongruence

    Gender incongruence is the state of having a gender identity that does not correspond to one's sex assigned at birth. This is experienced by people who identify as transgender or transsexual, and often results in gender dysphoria. [1] The causes of gender incongruence have been studied for decades.