Im on the birth control shot depo-provera for a year and have regular periods then for it just went away one month and i have pregnancy symptoms. help please?

Can do a preg. test: In a woman with regular periods, some causes of a late period include: excessive weight loss or weight gain, increased exercising, emotional stress, having an illness, traveling, medicines (like birth control pills), hormonal imbalances, etc… seeing a doctor is a good idea if symptoms are persistent, recurring, or worrisome. Pregnancy is the common cause of a missed period, if sexually active.