Spotting/Bleeding after Sex

Megan • Happily married. One 2015 angel baby, little girl born Sept 2016, & one due June 2019.
Hey ladies! So I took Clomid CD5-9. Today is CD13. I noticed some light spotting/bleeding the day after intercourse. This has happened twice now in the last few days. I've never bled after sex before. Should I be concerned?