ONTO Health, an AI-enabled, physician-led fertility and longevity provider, has announced the close of a $20 million Series A financing round funded by long-time healthcare investors, ARTIS and Humania. The ONTO Health platform combines evidence-based fertility care with AI-driven diagnostics, clinical automation, and longevity science. The new funding will support additional clinical operations in the U.S., as well as expansion into the Gulf Cooperation Council (GCC) region.