Women Infected With Toxoplasmosis Are More Likely To Have Boys Than Girls

– The subject of Toxoplasmosis is one we’re written on before here.

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Women infected with dormant toxoplasmosis are more likely to give birth to boys than women who are Toxoplasma negative, according to research by S. Kankova and colleagues from the Departments of Parasitology, Microbiology and Zoology, Charles University; the Centre of Reproductive Medicine; and GynCentrum, in the Czech Republic.

They found that the presence of the parasite Toxoplasma gondii in the mothers’ blood, one of the most common parasites in humans with a worldwide prevalence of 20-80%, increased the likelihood that these women would give birth to a boy. This is the first study [1], published in Springer’s journal Naturwissenschaften this week, to suggest an effect of parasitic infection on the sex of a baby.

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