IVF Increases the Chances of Giving Birth to a Baby Boy

Reproductive technologies have a significant impact on the sex ratio of newborns. Employees of the University of New South Wales came to these conclusions after studying data on more than 13 thousand births of those that resorted to artificial insemination of women.

Baby Boy

According to the researchers, the sex ratio among “test tube children” substantially differed from that among newborns conceived naturally. It is believed that boys and girls make up respectively 51 and 49% of total births in the world. This difference is usually associated with lower chances of survival for male babies.

Among children who were born through reproductive technology, the ratio was different. Depending on the peculiarity of the IVF (in vitro fertilization of an egg with a partner’s sperm in a laboratory) procedure, the proportion of boys among newborns increased to 53-56%. Moreover, among children born with the use of a more sophisticated and expensive technique ICSI (intracytoplasmic injection of single spermatozoon into an egg is used during a man’s low semen quality) the proportion of boys among newborns by contrast dropped to 48.7 – 50%.

Source of the image: Baby-boy-names.

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