Pregnant or no?

I had a miscarriage June 26th 2016 bleeding only lasted for 4 days I was only 2 weeks pregnant so my levels weren't that high to begin with and that Friday my levels were back to zero then July 11th I I ovulated and now I'm having pregnancy symptoms insomnia heartburn headaches cramps nausea just wanting to know if it's possible that me and hubby can be expecting our rainbow baby we've been trying to conceive number 2