question: My 1.5 years old girl does very smelly poo,and it have a different from normal kids stool.she had 2 time urine infection and 2 times serious diaria.she started this at age one,before that she was health baby but now day by day she becoming week and she lost 1 kg weight since last year.one of her stool test not came right so doctor suggest endoscopy for instantine.but i really scare with this test.does really my child need it?? She is 22 month old and 9.4 kg