Hi, I Am 28 Years Old, I Took Mefaprin And

hi, i am 28 years old, i took mefaprin and zitotec tablets 2 months back. my last periods date was 19th august, and this month i didnt get periods till now and now till now i didnt go for any pregnancy test, can i take those tablets again, if yes can i know the dosage of both, i forgot which one to take first and which one after 2 days of taking first tablet