DNA testing kit, they were hoping to learn a little more about themselves and have some fun with it. But when they got their results back, everything they thought they knew about themselves turned out to be false.The pair soon learned that their 12-year-old son wasn't biologically Vanner's child.
The boy had been conceived through IVF treatment at a clinic and it appears there was a mix-up and Donna's egg was fertilised with a stranger's sperm.
Speaking to ABC4.com, the couple from Utah, in the US, explained how their lives had been turned upside down. Get the news you want straight to your inbox.
Sign up for a Mirror newsletter here. Vanner recalled: "When I looked on that page and saw mum for him and father unknown, I thought 'what.
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