I'd want to know exactly what happened physically and emotionally before the bleeding started, and I'd want to confirm that it is uncoagulated blood for to rule out a regeneration phase. 
We hypothesize a damage to the inner lining of the ((Reproductive - Uterus - Mouth and Neck|cervix)) or ((Reproductive - Uterus - Endometrium|uterus)) which is weakened by ulcera (check where this term appears in the compass?)
As ulcers per se don't necessarily bleed, we see here that the tissue must be rich in blood vessels and that the ((Circulatory - Arteries|vessel walls)) seem to be weakened, too.
Bleeding is also a cleaning mechanism, which might be a reaction to a perceived "dirty wound".
Some things to explore with her and see what brings up emotion!