Miscarriage 3 times in 5 years.

We are married couple since 6 years. We planned a baby after 1 year of marriage. But unfortunately after conceived of one month my wife suffering miscarriage. The doctor examin her and nothing found anything. Doctor said the embryo can't grow properly and not have the heart beat. Also the embryo is not in good shape. After few days my wife have severe bleeding and we go for abortion. This type of miscarriage, my wife suffering 3 times in 5 years. My wife nothing have any problem, all reports are normal and ok, After saw the report doctor said that we can go for pregnancy. After last miscarriage the doctor said that, may be there is chromosome disorder or genetics problem. This type of disorder natural problem. We can't do anything, just we pray to god's. Please help us, we are nothing to lost, we lost everything.