While many couples hope that a baby will bring them great happiness, this may occur only if they are able to overcome childbirth's multiple challenges. When they fail, so may their marriages ... Childbirth, after all, turns life upside down. Whereas previously the couple had to nurture only each other, now they are part of a triad. Their entire balance of forces must be recast. Furthermore, this must be negotiated at a time of sleep deprivation, physical exhaustion, and economic pressure. No wonder couples have difficulty.