It's not, used as directed it is one of the most effective methods of Birth Control. Less than 1 out of 100 women will get pregnant each year, while on DepoProvera.
Condoms, IUDs, birth control pills, depot birth control medications (e.g. monthly, or quarterly), morning-after pill methods, contraceptive sponge, cervical cap, sterilization ... and the least effective method of contraception - the "rhythm method".
The calendar method is the least dependable method of contraception (aside from keeping your fingers crossed).
mediation
Mediation
Mediation.
mediation
Mediation
mediation
Mediation.
mediation
Mediation
Mediation