Florida couple sues IVF clinic after baby's blood type reveals wrong sperm used

A Florida couple is suing a Jacksonville fertility clinic after they say a routine blood test raised questions about their baby’s parentage, eventually leading to a DNA test that allegedly showed the husband was not the child’s biological father.Natalie and Josh Strong filed a medical negligence lawsuit against Brown Fertility Clinic in Duval County, Florida, on September 17, along with multiple clinic staff members, according to public court records viewed by PEOPLE. The couple alleges that the clinic used the wrong man’s sperm during their IVF treatment.Florida couple says baby’s blood type raised the first red flagNatalie said she gave birth to a healthy baby girl, Ava, in spring 2025. However, according to the couple, concerns emerged after routine blood work showed that their daughter had a B-positive blood type.Natalie is O-negative, while Josh is A-negative.