I've had the depo-provera for six months and it's almost time for the new one. but recently i've started experiencing extreme pregnancy symptoms. could i be?

Defer to OB-GYN: Would defer that question to an ob-gyn with more history, like: what symptoms? When was your last Depo-Provera shot? Other medications? Last intercourse? To name a few.

Depo Provera (medroxyprogesterone): Chances are that, if you have received the Depo Provera (medroxyprogesterone) on time, you are not pregnant. However, no birth control is perfect. You should check a pregnancy test if you are suspicious. Some types of birth control will make you feel bloated, have tender breasts, and feel "pregnant" during the first 6-12 months of use. This is likely what is happening to you. It should get better over time.