Well doing some research on the matter has eased my mind a little. Looks like it just really depends on the kinds of birth control you go from to.
When making a change to COCs from other hormonal birth control options, such as the contraceptive patch or ring, the World Health Organization (WHO) states that a woman may start COCs at any time without a back-up method, if she has used the other hormonal methods as directed. However, if a woman's previous method was injectable birth control, such as Depo Provera, she needs to begin using the COCs or POPs when the next shot is scheduled in order to be continually protected from pregnancy.
Thanks for the replies.
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