Hello Doctor . My Name Is Aarti Garg. I Live

Hello doctor . My name is Aarti Garg. I live in Australia ( Melbourne) . Doctor I am very scare for my husband n u need your help. Doctor my husband has a gastro problem from last 1 year. We went to gp he recommend nexium . But this year my husband feel pain n gastro problem more. Then we went to see doctor doctor give a one test name is Breath bactor test. In which they find a strong bacteria in side my husband stomach. So they recommend nexium antibiotics course for 1 week. After completion of course he again start gastro problem. Then they recommend again nexium antibiotics course for 1 week. But again after completion course he feel gastro problem. According to them it may be a ulcers problem in my husband stomach. So we have an appointment with specialist on 15th July 2015. But daughter I am very scare about him. If it is cancer...... Then...,. I am 6 month pregnant and I already have one daughter. Please help me to solve my problem. Please......