Unexplained Implantation Failure: Which Tests Help?
A large share of RIF stays “unexplained” after a full, guideline-based work-up — and that is a finding, not a failure of your doctor. The real risk is over-testing: immune panels, “natural killer” cell assays, and exotic treatments are widely marketed but are not endorsed by ASRM or ESHRE for routine RIF. This article separates…