The answer
If they have not been married before, and have repented from their sins, then the ceremony proceeds as usual.
H.G. Bishop Moussa
H.G. Bishop Moussa · Youth Concerns · 122
Faith Q&A › Youth Concerns › Relationships and Marriage
If someone has had sexual relations before marriage, would the words of the ceremony be different from those said for virgin couples?
H.G. Bishop Moussa, Bishop of Youth, Youth Concerns (Questions & Answers). Compiled by Lisa Agaybi. Coptic Orthodox Patriarchate, Bishopric of Youth Bookstore.