Can a human being have two reproductive systems? Can a person become a mother first and then a father? Can a person have two ‘sex hormones’? These questions may surprise you, but this has really happened. The matter is related to China, where a woman became a mother from her first marriage and later became a father after giving birth to a child from her second marriage. After the matter came to light, it has become a topic of discussion. A 59-year-old woman from southwestern China has a rare disease…
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