A couple in Florida is grappling with a heartbreaking IVF mix-up that led to a third family bringing their daughter into the world. The incident has sparked a call for stricter regulations in fertility clinics, following the closure of the facility involved.
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The couple, whose identities have been kept confidential for legal reasons, approached their attorney, Rob Marcereau, after they discovered that their embryo had been mistakenly used by another couple, Tiffany Score and Steven Mills. The couple’s biological daughter, Shea, was born in December 2025, and the news devastated her genetic parents.

Marcereau expressed that the mix-up has turned their lives “upside down.” He stated, “They are understandably hurt and angry about what happened,” describing the emotional turmoil they have experienced since learning that Shea is not genetically theirs. “It was just absolutely shocking for them to hear this,” he added. The attorney believes that the couple may never fully recover from the incident, underscoring the profound impact it has had on their lives.
Legal action is being considered against the Fertility Center of Orlando, where the error occurred. Marcereau is preparing to file a civil suit, following similar legal steps taken by Score and Mills. He affirmed that financial compensation is not the primary motivation for the lawsuit; instead, their focus is on ensuring the best possible outcome for Shea. “These are good people and this turned their lives upside down,” he remarked.
The physician involved in the case, Dr Milton McNichol, has faced allegations of negligence due to the mix-up. Attempts to contact him and the clinic for comments have gone unanswered. Marcereau noted that the biological parents had placed their trust in McNichol, assuming that he was managing his practice competently and carefully. “Patients trust their doctors to do these procedures correctly. They’re trusting them with their families,” he highlighted, lamenting the failure to uphold this trust.
With the Fertility Center of Orlando ceasing operations, patients have been directed to another clinic, CNY Fertility, which employs some of the same staff. Amidst this upheaval, Marcereau mentioned that his clients bear no ill will towards Score and Mills. While details of the arrangement between the families remain confidential, it has allowed both sets of parents to maintain a presence in Shea’s life.
“The wrong embryo, a different race, it’s really difficult,” said Marcereau. He expressed frustration that this should never have occurred, emphasising that the correct embryo should have remained with its rightful parents. Although the biological parents considered pursuing custody, they discovered that the law favours birth parents in such situations. Ultimately, Score and Mills retained custody of Shea, but the agreement permits the genetic parents to be involved in her life.
A representative for Score and Mills confirmed the importance of protecting Shea’s privacy as they navigate their new familial dynamics. The representative stated that they would not be making any further comments while focusing on nurturing their child and fostering a bond with her genetic parents.
In light of these events, Marcereau is advocating for new regulations to safeguard against similar situations in the future. He proposes measures such as minimum staffing requirements in laboratories, standard protocols for embryo storage and labeling, and ensuring qualified personnel are in charge of fertility facilities. “You’re never going to eliminate human error,” he recognises, “but you could definitely reduce it.”
As both families come to terms with an overwhelmingly complex situation, the case serves as a salient reminder of the vulnerabilities inherent within reproductive technology and the critical need for rigorous oversight in fertility practices.
