XxHavanaHoneyxX t1_j6mjf2j wrote
Reply to comment by kweenllama in TIL When a cow has opposite sex twins, the female twin is usually born intersex and infertile. This happens because the twins blood supplies are linked, which exposes the female to male sex hormones. by awawe
https://www.nature.com/articles/s41598-022-17749-0
Recent twin study.
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