In today's episode of Health Youniversity, Dr. Susan Fox sits down with Dr. Katie Worrilow — founder and Chief Scientific Officer of Life Air Systems, postdoctoral-trained reproductive physiologist, and former scientific director of IVF programs for over 20 years — for a conversation that will change how you think about your IVF cycle.

Dr. Katie spent twenty years noticing something. That when construction began outside the hospital, when the medevac pad got repaved, when the parking lot was resurfaced — clinical pregnancy rates dropped. Not because of the medicine. Not because of the protocol. Because of the air surrounding the embryo during the most critical six to seven days of its existence outside the body. That realization became Life Air Systems — a patented air purification technology now installed in 41% of US IVF programs, awarded 23 patents, over 60 registered trademarks globally, and the 2025 Edison Award for innovation in healthcare.

The data from clinical studies across several thousand patients showed a nearly 20 percentage point increase in clinical outcomes with complete air quality control. Across the full installation base worldwide, the average increase in clinical pregnancy rates is 14.9 percentage points — with corresponding improvements in implantation rates and blast conversion rates.

You'll learn why the air surrounding a human embryo during culture matters. Why the environment, and chemical pathogens like toluene from warm asphalt do to embryo development — and why you won't see the damage at day 3, only at day 5. Blastocyst conversion rates and implantation rates are the metrics that tell the real story — air quality has to do with both. And you’ll learn what questions to ask your IVF clinic before your next retrieval or transfer about air quality at the transfer stage, why the same variable that improves outcomes also reduces the likelihood of needing multiple retrieval cycles — and what that means financially and emotionally. And you’ll understand why Dr. Susan is calling out fertility insurance providers and employee benefits managers in this episode directly.

This episode is for you if you're preparing for an IVF cycle and want to do everything possible to optimize your outcome, you've had a beautiful day 3 embryo report followed by a devastating day 5, you've been through one or more failed cycles and are trying to figure out what to do differently before the next one, you want

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