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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".
Further, acidic environments harm Y sperm, according to the theory, making conception of a girl more likely [1] The Shettles method aims to exploit these two factors. The Shettles method differs from the Ericsson method , in which the semen is deposited outside the woman and time is given for the fast/slow swimmers to separate before artificial ...
This was a first step away from in-vivo pregnancy testing [42] [43] and initiated a series of improvements in pregnancy testing leading to the contemporary at-home testing. [43] Direct measurement of antigens, such as hCG, was made possible after the invention of the radioimmunoassay in 1959. [44]
Girls with congenital adrenal hyperplasia show an increase in probability of transsexuality later in life; however, this probability is still only 1–3% in CAH. [8] Although historically abnormal sexual differentiation has pointed to androgens as a causal factor, there are codeterminants of gender identity and sexual orientation. [8]
The discovery of cortisone allowed survival of infants with severe CAH for the first time. New hormone tests and karyotypes allowed more confident diagnosis in infancy and prediction of future development. Sex assignment became more than choosing a sex of rearing, but also began to include surgical treatment. Undescended testes could be retrieved.
The "test," which sells for $30 or more at major retailers like CVS, Target and Walgreens, says it can tell expecting parents whether it's a boy or girl two months before they could find out from ...
A form of complete gonadal dysgenesis, mostly due to mutations in the first step of sex determination; the SRY genes. A 5-alpha-reductase deficiency results in atypical development characterized by female phenotype or undervirilized male phenotype with development of the epididymis , vas deferens , seminal vesicle , and ejaculatory duct , but ...
World map of birth sex ratios, 2012 The one child policy in China has contributed to the imbalanced sex ratios. Image shows a community bulletin board in Nonguang Village, Sichuan province, China, keeping track of the town's female population, listing recent births by name and noting that several thousand yuan of fines for unauthorized births remain unpaid from the previous year.
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