Opk help please

Laura • 27, pregnant with baby girl #1, due 25th January. So excited :D
Hi all, got a positive opk yesterday am (clearblue digital easy read - pink one) and BD-ed. Didn't get a positive today, so my question is do I keep testing as maybe yesterday was a false positive and I haven't ovulated yet this month or does it not matter I only got one peak day? Thanks 

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