Pcos , Metformin & provera

Sh

I am diagnosed with pcos (curse depo)

Was on Metformin but i was inconsistent

Cycle became normal for 6 months and its been 3+ month did not get my period

Consulted ob/gyn

She prescribed provera with Metformin

Takimg metformin but fearing provera

Anyone have good /bad experience with it?

I am also taking prenatal empty stomach in the morning (as i am ttc)

I will appreciate your response