What are my chances of conceiving this month?

This is my first month using the clearblue easy digital OPK. I notice a lot EWCM on April 11th, but negative OPK, went ahead and BD'd that night just in case. On April 12th finally received my smiley face!!!! Hubby and I BD'd that night and again on April 13th. I've heard once you get your positive OPK to BD the next 3 days. So hubby and I will BD tonight for another just in case. What do you think my chances are for conceving this month? We have been TTC for the past 4 months. Thanks to the digital OPK I realized I O'd later in my cycle. I was always going by the internet calendar. I am really hoping we conceived!!!!