As genetic testing becomes more widespread, parents are finding that sperm used in artificial insemination did not come from the donors they chose. Jacqueline Mroz of The New York Times reports.

Seventeen years ago, when she was in her 30s, Cindy and her female partner decided they wanted to have children.

The couple spent hours poring over sperm donor profiles, finally settling on a man with a clean medical record and few health issues in his family. He was an anonymous donor, and they knew him only by his identifying number.

Cindy gave birth to a healthy baby boy. Eventually

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Wrongful births?

A 'genetic affinity'