The Learn section brings together selected writing and conversations that reflect over a decade of clinical observation and pattern recognition. The focus is on understanding what shapes egg quality, sperm health, embryo development, and IVF outcomes, especially when effort and intervention haven't delivered clarity.
This is not a resource library. It's a curated body of work.
These 15 articles reflect our current areas of focus. They explore fertility through a biological and functional lens, with attention to egg and sperm quality, embryo development, inflammation, immune signaling, microbiome health, and why outcomes do not always match expectations. Some pieces are written by Sarah Clark, others by medical and clinical contributors.
The Egg & Reserve
The IVF Cycle & Outcomes
The Environment & Systems
Selected from hundreds of podcast episodes. Start with the conversation that best reflects your current situation.
If you are here right now · 4 episodes
If something isn't adding up · 4 episodes
If you're deciding what to do next · 4 episodes
Explore our complete archive of fertility podcasts and articles published over the last decade, including conversations on IVF, low AMH, recurrent miscarriage, implantation failure, egg quality, and functional fertility.
You do not need to read or listen to everything. Many people arrive here after a failed cycle, while preparing for IVF, or when they feel pressure to move quickly without fully understanding what is influencing outcomes.
Learn exists to provide context and orientation, not direction or instruction. For individualized interpretation of your own history and data, that begins with a Second Opinion.
Book a Functional Fertility Second Opinion