Hello, this is Dr K.. Answers are not medical advice and do not constitute a doctor/patient relationship. I look forward to helping you today.
Yes you are protected. Marvelon is a combined oc that contains estrogen and progesterone Levest is also an combined oc. They have a different type of progesterone. This does not affect the effectiveness of the pill
You can change from one to the other without risk of pregnancy as long as you had only 7 days off. You are safe and protected.