Incremental cost‐effectiveness ratios (ICER) • IVF‐SET compared with IUI‐COH was €43,375 reflecting the additional costs necessary to achieve one additional healthy child in the IVF‐SET group, compared with IUI‐COH. Tjon‐Kon‐Fat et al, Hum Reprod, 2015 Bahadur et al, unpublished 124 121