Superfecundation

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Notion

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Science and technology

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What Wikipedia says

Superfecundation is the fertilization of two or more ova from the same menstrual cycle by sperm from the same or different males, whether through separate acts of intercourse or during a single sexual encounter with multiple males. This can result in twin babies that have different biological fathers.

Excerpt from the Wikipedia article “Superfecundation”, under the CC BY-SA 4.0 license. Read the article on Wikipedia