Should You Change Your Transfer Protocol After Recurrent Implantation Failure?
After repeated failed transfers, changing the protocol is tempting — but, as with day-3 arrest, it should be a decision tied to a finding, not a reflex. The right move depends on which domain your work-up implicates: a cavity problem needs surgery, not a new drug; an unexplained case needs caution against unproven “boosters.” This…