So In May I Found Out I Was 5 Weeks Pregnant Because Of A Missed Period I Had A Misscariage At 7 Weeks I Had Got Nexplanon Birth Control In July I Waited 2 Weeks To Start Having Unprotected Sex Like The Doctor Told Me Too It Is Now September And Every Now And Again I Spot Or I Would Bleed For A Day And Than It Would Completely Stop And I Have Been Having Unprotected Sex Sense July Now I Am Starting To Have Cramps Out Of The Blue My Breast Has Been Sore I Get A Little Heart Burn Every Now And Than And Back Pain Could These Just Be The Birth Control Symptoms Or Could I Be Pregnant.