Is bleeding normal

Lalanna • I have a 4 yr old son a wonderful husband and his family. After a miscarriage in Oct of 2015 I found out I had cancer in Dec 2015 and then found out I was pregnant in Jan of 2016.
I am 7 weeks and 5 days pregnant. I have had some light bleeding since I was about 6 weeks. Today I had some light blood in my panties. Oct. 2015 I had some light bleeding then it got worse as the day went on. Should I be worried and go to the er or should I wait to see if it get worse over night?