I’m scared

Tee

Okaee so I haven’t had a period since November 14, 2017. I finally went to the doctor and they gave me Medroxyprogesterone 10mg to take for 14 days. I’m scared cause I don’t know what to expect. Will my period be heavier ? Will my cramps be 10x worse than they already is ? Will I ever be able to get pregnant on my own ? Or will I need clomid ? All my lad work came out normal. I think I’m just overreacting. I’m just scared.