Any kind of deficiency, some internal problem can lead to increased or frequent bleeding.
Take Hamamelis Q/ 10 drops in 1/2 cup of water every 2 hrly during the menses.
And rest of days, take Five Phos. and Alfaalfa Tonic. Take them thrice daily for 20 days and revert me back.
If in case there is no relief in the sufferings even after these medicaitons, need to get an ultrasound