Figure 1From: Cost-effectiveness of primary offer of IVF vs. primary offer of IUI followed by IVF (for IUI failures) in couples with unexplained or mild male factor subfertility The structure of the generic model. U-IUI: Unstimulated IUI S-IUI: Gonadotrophin stimulated IUI C-IUI: Clomifene stimulated IUI ART: Assisted reproductive technique LBR: Live birth rateBack to article page