I'm in my first trimester and am already having bad lower back pain. what are some safe ways to treat the pain and good exercises to help my back?

Back pain: Back pain can be treated with exercise even during pregnancy. Neutral spine core stability exercises of mcgill are a good start. They can be found on youtube. Just type in mcgill exercises.

Try this webpage: http://www.acog.org/~/media/for%20patients/faq115.pdf?dmc=1&ts=20121203t1539313847 this is a pamphlet put out by acog which has some helpful information.

Safe therapies: Speak with your ob- but generally, tylenol (acetaminophen) & gentle stretching is safe.