Depressed and need some answers

Ok ladies i need your advice i dont know what else to do!!! Me nd my husband have been trying to concieve but its useless cause i dont get my period for months to a yr and when i do get it i get it for 6 to 10 months straight and its not normal blood flow its heavy like i go thru 6pks of 24 pads every 2-3 days with lots of huge clots its depressing ive gone to so many drs and hospitals and they dont find nothing and tell me its normal for me to bleed like that or not have a period!!! Its draining me its killing me inside knowing i cant give my husband a family that we want so bad!!!.its like the one thing a women should be able to give i cant i feel like i aint women enough!! Im lost depressed and there is days i feel like im going crazy.... Has any one had this problem?? Could someone help me?? Where could i get answers?? Someone please help