Welcome to HCM.
Yes, Rigevidon and Microgynon contain same medication(ethinylestradiol
Since you have not missed one pill, there will be less chances of pregnancy.
I would suggest you to go for urine pregnancy test,since you had unprotected intercourse
Once pregnancy ruled out, you need not to worry.
Then you need to wait for your periods.
Please continue your medication as per doctor advice
once pregnancy ruled out.
Hope I have answered your question.
If you have any queries I will be happy to help you.