Get your serum HCG levels checked to rule out any pregnancy as medroxyprogesterone has been assigned to pregnancy category X by the FDA.. Animal studies have revealed evidence of teratogenicity. There are no controlled data in human pregnancy but is contraindicated in pregnancy.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.