23 Weeks Pregnant, Upset Stomach Could I Be Pregnant Even Though I'm On BC?

Could I be pregnant even though I'm on BC? - 23 weeks pregnant, upset stomach

Depo was released in May and Implanon (before Jesus Christ, which lasts 3 years implant) 23 July through constant bleeding, while the Depo.

I had headaches, dizziness, frequent urination, pain in the stomach, so I put in, and fatigue. Sometimes I have time to mild nausea or unwilling, because the stomach to eat well.
In my head last week, but I do not want to scare my husband and get a test as we just had our son in March. I think I'm worried and scared.

If BC or I could be pregnant again?