Tried Everything !

Chastina
Ive tried everything to get my period . i dont know when im ovulating or anything . i had a miscarriage march 28th 2016 and d and c surgery april 1st . im annoyed because we been trying for a year now and now i dont even have a period . took test all negative . took conceive easy pills to see if that make me start or help me get pregnant . and nothing . ive even started taking some hormone pills and still nothing . i cry every night because its my fault we are not pregnant again . i just want to know why i havnt started my period tho ?!?!?!