Fertilization in Vitro Promotes The Birth of Baby Boys

In Spain it is not permitted the selection of the sex of the baby in fertility treatments except in exceptional cases, for medical reasons, but the results of a large study conducted in Australia and New Zealand indicate that some fertility treatments such as fertilization in vitro promotes the birth of baby boys.

They analyzed more than 13 thousand samples undergoing in vitro fertilization (IVF) and found that 53 percent of women undergoing a standard in vitro fertilization had baby boys, compared to 50% in cases an intracytoplasmic injection method was used when the sperm has little mobility and is injected directly into the egg.

Fertilisation in vitro (IVF) standard is incubated together the sperm and the egg in a culture medium to prevent fertilization, and then transferring the embryo to the womb.

Scientists have also found that the time in which the embryo is transferred to the uterus after in vitro fertilization could also influence the sex of the baby.

When the embryos were transferred to the four days of fertilization, the percentage of men amounted to 54.1 percent while if they were transferred to two or three days after the percentage was 49.9 percent.

It would seem to have some influence of the technique used and the time of the transfer to affirm that fertilization in vitro promotes the birth of baby boys. However, they are likely to only and in no way assures that an IVF says having a child.

In the wake of the study, experts took the opportunity to warn about the imbalances and the serious social consequences of the choice of the sex of the babies in countries like China or the India.

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