India, June 19 -- A Florida couple whose daughter was born after an apparent IVF embryo mix-up will keep the infant despite having no genetic relationship with her, after reaching a custody agreement with the child's biological parents.

According to court records cited by NBC News, Tiffany Score and Steven Mills and the baby's biological parents agreed that the couple would remain the girl's permanent custodial parents.

The biological parents, identified only as Patient 004 in court documents, have not been publicly named.

Score and Mills sued the Fertility Center of Orlando and its lead reproductive endocrinologist in January after learning that the baby Score gave birth to in December was not genetically related to either parent.

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