Changes in Diagnostic Methods, Criteria, and Treatment for Chronic Endometritis After National Health Insurance Coverage of Assisted Reproductive Technology in Japan: A Nationwide Follow‐up Survey ( IZANAMI Project)

Key Points

• This research aims to analyze the impact of ART health insurance coverage on chronic endometritis diagnostic methods and treatment in Japan.
• Nationwide survey of healthcare facilities in Japan
• Assessment of diagnostic methods and treatment protocols
• Comparison of CD138 cutoff values before and after insurance coverage
• Overall diagnostic methods for chronic endometritis remained largely unchanged
• Higher CD138 cutoff values were adopted by many facilities
• Shifts in treatment selection indicate evolving practices for chronic endometritis care