Could you tell me what are immediate side effects of birth control?

The immediate : Potential side effects are determined by what form of birth control you are using. Birth control methods include: abstinence, oral contraceptives, birth control patch, depo-provera (shot), sponge, vaginal ring, cervical cap, condom, diaphragm, iud, birth control implant, spermicide, sterilization or vasectomy. They vary in efficacy ; possible side effects.