Kato Clinic

Kato Ladies Clinic (KLC) is a world-renowned fertility center based in Tokyo, Japan, specializing in natural cycle and minimal stimulation In Vitro Fertilization (IVF). Established by Dr. Osamu Kato, the clinic is famous for developing the "Kato Method," which prioritizes patient well-being by significantly reducing the use of high-dose fertility drugs. KLC operates one of the largest IVF programs globally and has pioneered several key technologies in the field, including advanced cryopreservation (vitrification) and specialized micro-insemination techniques like Piezo-ICSI. The clinic's research and clinical protocols have set international standards for low-intervention reproductive medicine and are utilized by a global network of affiliate clinics.