TIL that women can give birth to twins with different biological fathers (heteropaternal superfecundation). The frequency has not been established but one study found it occurred in around 1 in every 42 cases of fraternal twins whose parents were involved in paternity disputes.


TIL that women can give birth to twins with different biological fathers (heteropaternal superfecundation). The frequency has not been established, but one study found it occurred in around 1 in every 42 cases of fraternal twins whose parents were involved in paternity disputes. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7808779/ WDfx2EU June 23, 2023 at 02:23PM

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