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A member asked:

I recently switched birth control pills from 28 day 1/20 to 21 day 1.5/30, and 1 day late period. could the switch be causing it?

A doctor has provided 1 answer
Dr. Jeffrey Levine answered

Specializes in Family Medicine

Yes: Changing oral contraceptive formulations can affect your next 1 to 3 menstrual cycles. Not to worry as long as you have been taking your pills correctly and consistently. If not, check a pregnancy test. Take Care!

Dr Fowler agreed

Answered 5/8/2015

2.9k views

Thank

Related Questions

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I switch my birth control method from Depo-Provera to the pill is this the reason i haven't had a period after stopping?

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I recently switch birth control & its my last week of pills, but i haven't started my period. I had anal sex and he came near my anus. Am i pregnant?

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What would cause a period to come 2 weeks early? Ive been on birth control for years. Randomly yesterday my period started & its 2 weeks early?? I take my pill every day at the same time. I havent missed any days, not one. Its not spotting either?

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A member asked:

I have switched to a higher dosage of birth control and I have not received my period on the usual day. Could the higher dosage be the cause?

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A member asked:

Can birth control pills cause your periods to stop i had a period last month now I am late this month and I have not had sex

3 doctors weighed in across 3 answers

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