If you start a birth control pack late, will it make your period late that month?

Shifts the period. If you start your new pack of pills several days late, they may not prevent ovulation. You could become pregnant. If the pills do prevent you from ovulation in that cycle, then your period will come while on the placebo pills at the end of the pack - just as it should.

Related Questions

If you start a birth control pack late, will that make your period late I am on first pack and forgot.?

Add condoms. You will have a period when you take the placebo pills (often a different color) or when you stop taking pills for a week, depending on the brand of pills you use. If you start a new pack few days late, take a pill as soon as you remember, and use a back-up method (like condoms) for at least seven days. If you have a hard time remembering, talk to your doctor about other options. Read more...

Late period, unsure if I should start new birth control pack?

Yes, if no misses. If you took your oral contraceptive everyday at about the same time each day without missing any, then start your new pack of pills. Often the endometrium is kept minimal with the pills and there is very little bleeding. If you missed pills then do a pregnancy test. Read more...