Well, that bleeding is not due to miscarriage. It is a disease which is common in ladies. That blood is from another blood vessel and you should contact doctor to solve your problem. It's not due to miscarriage or due to your periods. Its a kind of a disease so you should have a proper check up.
It is possible to have ovarian or uterus problems. You need to see a dr. Right away. It is almost always a sign of something being off in your system when you bleed in between periods. Female health is just so important. Please promise to go see a gynecologist hon.....please! Take care and please post how you are doing.