Superfetation
Superfetation (also spelled superfoetation – see fetus) is the simultaneous occurrence of more than one stage of developing offspring in the same animal. This phenomenon is extremely rare in humans, with only 10 confirmed cases.
Superfetation (also spelled superfoetation – see fetus) is the simultaneous occurrence of more than one stage of developing offspring in the same animal. This phenomenon is extremely rare in humans, with only 10 confirmed cases.
Superfetation (also spelled superfoetation – see fetus) is the simultaneous occurrence of more than one stage of developing offspring in the same animal. This phenomenon is extremely rare in humans, with only 10 confirmed cases.
Source: Wikipedia "Superfetation" · CC BY-SA 4.0
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