so abc news lifestyle editor genevieve shaw brown is here with us. what shocked you most? >> after the background check, the references, the nanny cams, parents are still living in fear. that something isoing to happen to one of their kids. even though the vast majority of the care taikers are good people. >> it does happen. what's the mosimportant thing that parents can take away? >> the experts tell , trust your gut. if you think something is wrong, 99% chance, something is wrong. don't ditch those nanny cams just yet. people forget they're there. after awhile, the true behavior >> trust you gut. every mom knows that feeling. thank you so much, genevieve. realal important informatiti. robin? >> all right, there. thank you, lara. >>> now to the young model who says she is here, alive today because she trusted her gut. her doctors misdiagnosed her. she says she knew sosothing was wrong. she kept going back. eventually was diagnosed with ovarian cancer. here's mara schiavocampo. >> reporter: she's a model. a runway diva. and now, a cancer survivor. >> you know, it's hard to