
When the system fails: legal and policy implications of the Monash IVF embryo mix-up
Published on April 28, 2025 by Lucinda Gunning
In a case that has sent shockwaves through both the medical and legal communities, a woman in Brisbane gave birth to a baby that was not genetically hers, following a critical error at Monash IVF. The incident, believed to be the first of its kind in Australia, highlights deeply concerning gaps in the management of assisted reproductive technology (ART) and raises complex questions about liability, ethics, and child welfare.
While fertility treatments offer hope to thousands of families, this case underscores the enormous responsibility borne by fertility clinics and the potentially devastating consequences when protocols fail.
The incident – a profound failure in care
According to media reports, the error occurred when Monash IVF mistakenly thawed and implanted an embryo belonging to a different couple. The woman who carried and gave birth to the child did so under the impression that the embryo was her own. The mistake was only uncovered more than a year later, when the genetic parents attempted to transfer their remaining embryos to another clinic, prompting an internal audit which revealed the extra embryo.
The clinic has attributed the error to human mistake, despite the presence of safety protocols which are intended to make such incidents virtually impossible. An independent investigation is now underway, led by Senior Counsel Fiona McLeod, to examine how the failure occurred and what reforms might be necessary to prevent future occurrences.
Legal implications – negligence, contracts, and parentage
From a legal standpoint, the incident engages several areas of potential liability, including medical negligence, breach of contract, and family law.
Perhaps the most immediate and apparent legal issue is medical negligence. Clinics offering ART services owe their patients a clear and unambiguous duty of care. That duty extends to every stage of the process, from gamete collection and storage to embryo transfer and post-treatment care. A mix-up of this magnitude represents a clear breach of that duty. If patients can demonstrate that they have suffered harm—whether physical, psychological, or financial—as a direct result of that breach, they may be entitled to compensation. In this case, the emotional toll alone is likely to be profound, and claims for psychiatric injury may be brought by one or both sets of parents.
In addition to negligence, there is the possibility of a breach of contract. Patients undergoing IVF treatment typically enter into detailed agreements with clinics, setting out the services to be provided and the expectations of both parties. These agreements are not mere formalities—they are legally binding contracts. A failure to deliver the promised service, especially one as fundamental as the correct transfer of an embryo, could form the basis of a breach of contract claim.
Perhaps most complex of all are the questions relating to parentage and custody. Australian family law generally recognises the woman who gives birth to a child as the legal mother, regardless of the genetic origin of the embryo. However, legislation also allows for recognition of genetic parentage, especially in cases involving donor gametes or surrogacy arrangements. This incident sits uncomfortably between those two legal concepts, creating a legal grey area where the birth mother is not genetically related to the child, and the genetic parents did not consent to the gestational arrangement. Resolving the child’s legal status and determining parental rights may ultimately require court intervention, with the best interests of the child being the paramount consideration.
Policy issues – a call for reform
Beyond the immediate legal consequences, the Monash IVF incident raises broader policy issues about how ART is regulated in Australia. Unlike some other areas of medical practice, ART exists in a fragmented legal landscape. While some states and territories have their own legislation, others—including Queensland, where this incident occurred—rely primarily on national accreditation processes.
The primary body responsible for accrediting ART providers is the Reproductive Technology Accreditation Committee (RTAC), which operates under the auspices of the Fertility Society of Australia and New Zealand. Clinics must meet certain standards to be accredited, but there is no unified national legislation that directly regulates the day-to-day operation of fertility clinics. This patchwork of oversight can lead to inconsistencies in safety standards, complaint-handling procedures, and transparency requirements.
The incident has also raised serious concerns about the adequacy of safety protocols within IVF clinics. Despite Monash IVF’s assurances that safety checks were in place, the mistake still occurred—and went undetected for over a year. This suggests that either the protocols themselves were insufficient or that human error was not properly mitigated by double-check systems and technology. Many IVF clinics rely on manual processes, such as handwritten labelling or verbal confirmation between staff. Introducing more robust electronic tracking systems, biometric verification, and mandatory dual-signature checks could significantly reduce the risk of error.
Transparency is another critical issue. In this case, the error was not disclosed until long after the child was born, and only came to light through an internal audit prompted by unrelated patient inquiries. This delay in disclosure raises questions about whether clinics should be legally required to report adverse events within a set timeframe—not only to affected patients, but also to regulators and potentially to the public. Introducing mandatory reporting laws for critical incidents in ART may help ensure accountability and public trust.
The road ahead
The Monash IVF case may become a legal and regulatory watershed moment for fertility care in Australia. It highlights the real and often underappreciated risks involved in ART and reinforces the need for stronger oversight, clearer laws, and greater support for patients who experience failures in the system.
Moving forward, governments may need to consider enacting uniform national legislation governing ART, with consistent standards for safety, accreditation, and accountability. There may also be a need for law reform to clarify legal parentage in cases involving embryo mix-ups and to ensure that the interests of children born under such circumstances are protected.
For patients, this incident is a stark reminder of the importance of informed consent, transparency, and the legal rights they hold in what is often one of the most personal and emotionally charged medical treatments they will ever undergo.
This case is not only a legal anomaly but a policy alarm bell. It calls into question the robustness of Australia’s fertility framework and reminds us that even in highly regulated, technologically advanced medical fields, human error can have life-altering consequences. Ensuring such incidents never happen again requires a collective effort—through litigation, regulation, and reform—to restore public confidence and uphold the dignity of everyone involved in the journey to parenthood.
Please note that this article does not constitute legal advice. If you are seeking professional advice on any legal matters, you can contact Carroll & O’Dea Lawyers on 1800 059 278 or via our Contact Page and one of our lawyers will be able to assist you. If you or a loved one have been injured, use our Personal injury Claim Check now.
Disclosure and important note: This article is based on our own legal research and thinking. Some of its content has been generated with the assistance of artificial intelligence. The authors have checked and approved this article, including the AI generated content, for publication.