An I.V.F. Mix-Up and an Impossible Choice - The Daily Recap

Podcast: The Daily

Published: 2026-01-16

Duration: 47 minutes

Guests: Susan Dominus, Daphna Cardenale, Alexander Cardenale, Alexa Weibel

Summary

An IVF clinic mix-up results in two families raising each other's biological children. They must navigate the emotional challenges of returning the children to their biological parents and forming a new extended family.

What Happened

In a story that highlights the complexities of modern reproductive technology, Daphna and Alexander Cardenale, a couple from California, faced an unexpected challenge after undergoing IVF. They had a baby girl, May, who looked different from both parents, sparking jokes about possible IVF errors. A genetic test confirmed their fears: neither parent was biologically related to May.

The Cardenales discovered that their biological daughter was being raised by another family due to an embryo swap at the IVF clinic. The families lived just a few miles apart, adding to the surreal nature of the situation. Both families decided to meet, and eventually agreed to exchange the babies back to their biological parents.

This emotional swap was profound and challenging for both families. Daphna and Xander struggled with the aftermath, but both families chose to embrace the situation positively by integrating their lives. They began spending holidays and birthdays together, turning an unimaginable mistake into a unique extended family arrangement.

The children involved, Zoe and May, became very close, referring to each other as 'sister best friends'. This bond exemplifies the potential for love and connection in managing technological advances in family formation.

Journalist Susan Dominus reflects on the story as an example of how people can redefine the concept of family with grace, generosity, and faith in humanity. The incident also sheds light on the largely unregulated nature of the IVF industry, highlighting the potential risks involved.

The episode also briefly touches on a cooking segment by Alexa Weibel from New York Times Cooking, offering recipes for creamy miso pasta and vegetarian mushroom shawarma pitas. Additionally, it mentions rising tensions in Minneapolis following federal actions related to immigration enforcement.

Key Insights

• An IVF clinic error led to an embryo swap, resulting in two California families raising each other's biological children unknowingly for months. The families lived only a few miles apart, which facilitated their eventual decision to exchange the children back to their biological parents.
• The incident highlights the largely unregulated nature of the IVF industry, where such errors can occur without stringent oversight. This lack of regulation poses significant risks to families seeking reproductive assistance.
• Despite the emotional challenges, both families chose to integrate their lives, celebrating holidays and birthdays together. This decision fostered a unique extended family arrangement where the children, Zoe and May, developed a close bond, referring to each other as 'sister best friends'.
• The episode briefly mentions a cooking segment by Alexa Weibel from New York Times Cooking, featuring recipes for creamy miso pasta and vegetarian mushroom shawarma pitas. It also notes rising tensions in Minneapolis due to federal immigration enforcement actions.