My whole life is swallowed in worry about my baby...too a point I dread my 20 week scan this Monday...I am terrierfied I will go and there won't be a baby there or somthing...I have no idea why and I have no way to control and i feel it's ruining my day to day life! I can't even buy baby stuff incase there is somthing wrong! Can anyone help with this? Any tips to come over it?