Does anyone have any advice on cleaning up GPA?

I am very new to this site. In regards to being a member. But I have done a lot of research and read tons of posts. However, I still feel a bit overwhelmed. I always wanted to be a doctor and go to medical school. It has been my life time dream like many of you. I was always a great student. I never had a bad GPA. However that changed rather quickly. During my freshman year of university I was a 3.0 student my Sophmore year my mother was very sick (she was diagnosed with breast cancer) it... Does anyone have any advice on cleaning up GPA?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums