Why am I bleeding when I use my diaphragm?

I am 25 years old, and married with two kids. I just switched to using a diapragm as my method of birth control. I have only used it about 4 or 5 times and every time I remove it I notice blood on the diaphragm. I also sometimes experience spot bleeding the next day. I don't have any other problems with it. Why is this happening? Do I need to contact my Dr. or stop using the diaphragm?Why am I bleeding when I use my diaphragm?
you are a victim of your doctor's bad advice.
The diaphragm has a long history of causing bleeding and internal damage - stop using it at once! You didn't really think you could be something like that in your body and not suffer any consequences did you?
go to the doctor just to be safe

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higher mileage