mother-of-five has been convicted of killing her newborn baby girl by filling her mouth with toilet .
paramedics were called after the 33-year-old , a portuguese national , was found sitting in the bath with ` a lot of blood ' and she was taken to hospital .
earlier she had killed the infant by stuffing toilet .
she then wrapped the baby girl in towels and a plastic bag and hid the body in a suitcase - where it lay undiscovered for three days .