Just about any clinically tested method: the pill, IUD, condoms/spermicide foam, diaphragm/spermicide foam, the implants... I may be missing a couple of methods here, but there are a number to choose from. Of course, there are also the permanent methods.
I specifically do NOT include folk methods. I hate to say it, but the rhythm method is hardly any more effective than using nothing.
Then you support abortifacients. Abortifacients aren’t contraceptives at all, because they don’t prevent conception - they cause an early term abortion.