My ex had similar complaints. Have you been checked for endometriosis?
http://women.webmd.com/endometriosis/endometriosis-topic-overview
Norplant or taking normal birth control, but skipping the last week will, both cut your periods down to barely there, maybe one or two very light a year. They even have finally got them approved in the US http://www.webmd.com/sex/birth-control/features/new-no-period-no-pms-birth-control-pills
fyi, asprin and their kin, increase bleeding which makes it worse. Ask about asprin/ tylenol/ ibuprofin/ naprosin free pain relievers.
http://women.webmd.com/endometriosis/endometriosis-topic-overview
Norplant or taking normal birth control, but skipping the last week will, both cut your periods down to barely there, maybe one or two very light a year. They even have finally got them approved in the US http://www.webmd.com/sex/birth-control/features/new-no-period-no-pms-birth-control-pills
fyi, asprin and their kin, increase bleeding which makes it worse. Ask about asprin/ tylenol/ ibuprofin/ naprosin free pain relievers.