Help! Early ovulation?

Hannah

Girls I need some advice! We are doing timed intercourse with Letrozole this cycle and I am supposed to go Thursday for a cycle day 12 scan so they can see jf I’m ready to trigger and I just took an opk that if it isn’t positive, probably will be by this afternoon. What do I do? Call the drs office and see what the nurse says? Or just have sex tonight just in case and then wait for Thursday to see what they say? I’ve never ovulated this early before and I know letrozole can make you ovulate early so I’m conflicted!