Did you find that you got your BFP much quicker once you used an OPK as opposed to when you were TTC but weren't tracking?

DH works for NYPD and I work for an airline at JFK so our schedules are crazy. 
I got my IUD removed mid August. This will be the first month we'll be tracking my body to TTC #1. AF due Nov 3rd.
How long after using OPKs did you get your BFP?

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