Child died of a rare disease

Joe and Mary are a couple. Before becoming sterile, they had a child. This child died of a rare disease. Joe and Mary miss their child terribly. They have heard that there is a new IVF procedure that can ensure that they can have another child. However, their religion forbids using IVF.
1. What is the relation between ethics and religion? Formulate and investigate the relation.
2. For each case, determine the ethical path of conduct. Then, determine what paths of conduct would be unethical
3. For each case, what would an emotivism say to appraise what you determine is the ethical form of conduct?
4. For each case, would a natural law ethicist agree with what you say is the ethical form of conduct? Why or why not?
5. Articulate, explain, and evaluate in each case an approach that makes use of divine command ethics.