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Anonymous
Anonymous asked in Pregnancy & ParentingPregnancy · 1 decade ago

ortho tri cyclen lo?

Exactly how long does it take for ortho tri cyclen lo to have effect and prevent pregnancy?

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  • 1 decade ago
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    As with any new birth control, you need to use a back-up method for at least the first month to be safe.

    Source(s): mom of 4, #4 due Feb.
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  • 1 decade ago

    My doctor has always told me with any new birth control, to use a backup method for 1 month to be safe.

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