fed-up-cant-take-it-no-ov

HAD MY LAST DEPO SHOT IN NOVEMBER 16TH.. ONLY HAD 1 SHOT.. SINCE THEN IN FEB WEN IT RUN OUT HAVE HAD PERIOD EVERY MONTH BUT GONE FROM 31 DAY CYCLE TO 26 AND PERIOD ONLY LASTS 3DAYS.. GOT PROGESTRONE LEVELS CHEKD CAME BAK LEVEL 13.. DOC SED I DDNT OVULATE THERE GNA REPEAT THEM NEXT MONTH BT THEY SED EVEN IF IT SHOWS SAME RESULTS THEY WONT DO FUTHER TESTS OR GIVE ME MEDICATION TIL FEB (WEN IT WUD OF BEEN A YEAR AFTA DEPO) Y AM I NOT OVULATIN BT HAVN PERIODS WOTS GOIN ON JUS WANA B PREG