What is the supreme decision of abortions and what is the name of the case of prompted this decision?

How does access to conception play a role in abortion? What are some reasons abortion is justified? What is the supreme decision of abortions and what is the name of the case of prompted this decision?

AGAINST Abortion: What are some reasons abortion is justified? Do you think abortion is murder? Explain why? What is the supreme decision of abortions and what is the name of the case of prompted this decision?