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1 in 25 Dads May Not Be Child’s Biological Father

From Times Staff and Wire Reports

One in 25 fathers could unknowingly be raising another man’s child, British scientists said Thursday.

Researchers at Liverpool John Moores University examined the findings of numerous studies on cases of what they call paternal discrepancy.

In the current issue of the Journal of Epidemiology and Community Health, the researchers calculated that about 4% of men worldwide are not biological fathers of a child they believe is theirs.

Semen mix-ups during artificial insemination accounted for some cases, but most were attributed to infidelity.

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