Thanks for posting your query at DoctorSpring.com
Yes, the spotting is due to the missed pills.
Do not worry.
When you miss more than 3 pills, it is expected that you would start spotting.
All the best
Please feel free to discuss further.
Patient replied :
My period is this week. do you suggest I stick to my pill schedule and just follow more protection from sex?
Yes, stick to your pill schedule, and use condoms as backup protection.