14 day period!

Jenna • Happily(sometimes) in love!
So I just got back on my birth control (the patch) and after getting on it I had about 7-8 days of regular to heavy period and since then I've been having dark spotting every day. It's been 14 days now and im not sure if I should be worried. When I was on the patch before I didn't have this problem. Thanks in advance for any answers. Just looking to see if anyone else has experienced this, knows what's wrong, or thinks I should be worried.