Possible reasons are - physical, mental or pathological cause leading to Inter Menstrual Bleeding.
The mental cause can be emotional excitement, anger, fright, etc.
The physical cause can be any injury or exertion. The pathological condition can be fibroid or endometriosis.
The natural Homeopathic treatment for inter menstrual bleeding regularises the menstrual cycles or periods.
Next Steps
I need detailed case history to find out cause and treat accordingly. you can consult me online for homoeopathic treatment without side effects.