A Mother Learns the Identity of Her Child’s Grandmother. A Sperm Bank Threatens to Sue.

Danielle Teuscher decided to give DNA tests as presents last Christmas to her father, close friends and 5-year-old daughter, joining the growing number of people taking advantage of low-cost, accessible genetic testing. But the 23andMe test produced an unexpected result. Ms. Teuscher, 30, a nanny in Portland, Ore., said she unintentionally discovered the identity of the sperm donor she had […]

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Recurrent miscarriage linked to faulty sperm

The early-stage study, from scientists at Imperial College London, investigated the sperm quality of 50 men whose partners had suffered three or more consecutive miscarriages. The research, published in the journal Clinical Chemistry, revealed that, compared to men whose partners had not experienced miscarriages, the sperm of those involved in the study had higher levels of DNA damage. The study […]

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