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  2. Obstetric ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Obstetric_ultrasonography

    The sex of the fetus may be discerned by ultrasound as early as 11 weeks' gestation. The accuracy is relatively imprecise when attempted early. [ 15 ] [ 16 ] [ 17 ] After 13 weeks' gestation, a high accuracy of between 99% and 100% is possible if the fetus does not display intersex external characteristics.

  3. Prenatal sex discernment - Wikipedia

    en.wikipedia.org/wiki/Prenatal_sex_discernment

    Sex determination ban in India. Prenatal sex determination was banned in India in 1994, under the Pre-Conception and Pre-Natal Diagnostic Techniques Act, 1994. [6] The act aims to prevent sex-selective abortion, which, according to the Indian Ministry of Health and Family Welfare, "has its roots in India's long history of strong patriarchal influence in all spheres of life".

  4. Anomaly scan - Wikipedia

    en.wikipedia.org/wiki/Anomaly_scan

    Three-dimensional (3D) ultrasound is not recommended for routine use during anomaly scan, ... Sex determination. Fetal sex is often noted during the anomaly scan, but ...

  5. Why some parents choose to find out their baby's sex ... - AOL

    www.aol.com/lifestyle/why-parents-choose-babys...

    When determining the sex of the baby, ultrasound technicians look for sex organs: either the presence of a penis for a boy or labia for a girl. "Penises are pretty obvious," says Larkin. "But ...

  6. 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] In the vast majority of cases (99.95%), sex is assigned unambiguously at birth.

  7. Preimplantation genetic diagnosis - Wikipedia

    en.wikipedia.org/wiki/Preimplantation_genetic...

    [10] [11] In these first cases, PCR was used for sex determination of patients carrying X-linked diseases. A report in 2001 on worldwide use of PGD since 1990 reported that embryo or polar body biopsy [ 12 ] had occurred in more than 3000 clinical cycles, with a 24% pregnancy rate, which was comparable with assisted reproductive practices which ...

  8. Sexual differentiation - Wikipedia

    en.wikipedia.org/wiki/Sexual_differentiation

    Sexual differentiation is the process of development of the sex differences between males and females from an undifferentiated zygote. [1] [2] Sex determination is often distinct from sex differentiation; sex determination is the designation for the development stage towards either male or female, while sex differentiation is the pathway towards the development of the phenotype.

  9. 3D ultrasound - Wikipedia

    en.wikipedia.org/wiki/3D_ultrasound

    A 3D ultrasound of a human fetus aged 20 weeks 3D ultrasound is a medical ultrasound technique, often used in fetal, cardiac, trans-rectal and intra-vascular applications. 3D ultrasound refers specifically to the volume rendering of ultrasound data.