Help!

Am I at Risk for Pregnancy Now?! Nexplanon Website States Use an Alternate form of Protection for 7 Days if Not Placed within 5 Days of Start of Menses. My Dr told Me Wait a Month before Intercourse. FYI My Implantation 4/13/21 Last Day of 5 Day Cycle 4/12/21. Intercourse 4/21/21.