Advice?

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Me and the husband did the BD last night, when I woke up this morning I got a positive opk. Hubby is a truck driver so I won't see him until next week, so I'm hoping I could still end up with a BFP. Anybody gotten pregnant by BDing the night before a positive opk?? 
UPDATE: 
Apparently it does work! Woohoo! Just got this result this morning!