A mother-of-three has discovered she is not the biological parent of two of her naturally conceived sons and is in fact made up of two women.

Scientists came to the extraordinary conclusion that the 52-year-old was formed from two non-identical twin girl embryos which fused into a single person in her mother’s womb.

Tests carried out on the woman – known as Jane – showed she had two distinct types of DNA in her body.

Her blood is made up of her own cells, but when doctors took samples from her…

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