Supplementary Table S1: Reasons for treatment discontinuation in infertility patients after hysteroscopic endometrial polypectomy

This supplementary table provides detailed reasons for treatment discontinuation before completion of three embryo transfer cycles following hysteroscopic endometrial polypectomy, stratified by patient age group (≤34, 35–39, ≥40 years) and timing of discontinuation (after ET1 or ET2). The most common reasons included oocyte depletion and patient-requested discontinuation.