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How frequent is heteropaternal superfecundation?

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  • 1Rh Typing Laboratory, Baltimore, Maryland.

Abstract

A newly discovered case of heteropaternal superfecundation (HS) is reported. Three HS cases were found in a parentage test database of 39,000 records. The frequency of HS among dizygotic twins whose parents were involved in paternity suits is 2.4%. Although the study population appears similar to the general population with respect to twinning data, inferences about the frequency of HS in other populations should be drawn with caution.

PMID:
1488855
[PubMed - indexed for MEDLINE]
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