It took 30-year-old Louise and her husband Andy six years to conceive. After such a long struggle, they're finally looking forward to meeting their longed-for baby and showing it off to their worried stepmum and health care assistant Olwen. Sammy, who's 23, is about to have her third baby. An undiagnosed condition drove a wedge between Sammy and her mum, when her bad behaviour was put down to teenage hormones, until a long-awaited diagnosis of endometriosis when she was 19 enabled them to build bridges.