What is this?

Nexplanon removed May 6 (sex before removal) ttc

May 6-9 withdrawal spotting

Unprotected sex 10, 11, 15, 18, 19, 21

Period is 6 days late.

Could this be the start of period?

Only when I wipe, nothing on underwear or pad. This is the most that it has been. It has also been extremely light. Gooey clear discharge as well. Noticed this around 8pm. Notice the extremely light bleeding around 3pm.