True statements regarding DMPA includes all the following except
Risk of endometrial cancer is substantially reduced by past use of DMPA.
Noncontraceptive benefits of DMPA:

Anemia, PID, Ectopic pregnancy, and Endometrial cancer are reported.
DMPA benefits women with sickle cell disease.
3% failure rate
Useful in treatment of menorrhagia
Can be given in women with seizures
Protects against ovarian cancer