When should I start testing with OPK's if my cycle legnth is 30 days (average)??

💕 Kortnee Marie 💕 • 25, married to my best friend, mommy to a handsome little 4 year old and baby boy. TTC #3. Junior && Mason's mommy :)
If you chose other, please comment and explain! I'm new to the OPK thing.

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