IVF mix-up: wrong sperm may have fertilised eggs of 26 women theguardian.com

Dozens may have had eggs fertilised by sperm cells from someone other than the intended father, say authorities A Dutch medical institution has launched an investigation after discovering that up to 26 women’s eggs may have been fertilised by the wrong sperm at its IVF laboratory.

A “procedural error” between mid-April 2015 and mid-November 2016 during the in-vitro fertilisation was to blame, the University Medical Centre in Utrecht said.