How often does a girl come
Boy or girl?
Women are more likely to give birth to girls when they are hungry: Analysis of data during a two-year famine in China between 1959 and 1961 revealed significantly fewer male baby births. The mothers became pregnant around July 1959, six months after the start of the famine. After its end, in October 1963, there was a rapid increase in the number of newborn boys. The traditional gender ratio was restored within two years. How the effect comes about is unclear. Girls may be more undemanding in the womb and more likely to survive bad times than boys. (swissmom news ticker April 21, 2012)
Gender selection possible: With the so-called microsort method (a patented process in which the sperm cells are sorted according to X and Y chromosomes before artificial insemination), doctors can already greatly increase the likelihood of one or the other sex. In Switzerland, however, this is only permitted by law if the child may have a sex-linked genetic defect with a severe course of the disease, such as hereditary muscle weakness or hemophilia. The method will be offered at the Basel University Women's Clinic from July 2013. (swissmom news ticker, 3.6.2013)
"Wrong" Gender Abortion? SP Councilor of States Pascale Bruderer experienced during her second pregnancy that the result of the new prenatal blood test (Panorama, PrenDia or Praena) not only indicated the exclusion of certain chromosomal disorders, but also the sex of the child. Since this is possible a few weeks before the expiry of the deadline (12th week of pregnancy), there is a risk of termination due to the "wrong" gender. Although this is not great in Switzerland, gender selection is widespread in some cultures. Pascale Bruderer has therefore initiated a motion to reduce the risk of abuse of non-invasive prenatal tests. A notification ban for doctors until after the 12th week of pregnancy is conceivable. (swissmom news ticker, 10.9.14).
More boys worldwide: The gender ratio at birth is not exactly the same - that has been known for a long time. More boys than girls are born internationally, in a ratio of 51 to 49 percent. So far, however, many experts have assumed that boys are ahead of the curve at conception - that is, more pregnancies with males than with females. A current study shows that this is not the case. Researchers from Great Britain and the USA report in the renowned journal "PNAS" that the sex ratio is the same at the time of conception. However, overall more unborn girls die over the course of pregnancy. (swissmom news ticker, 1.4.15)
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