Recite Surat Yasin for Marriage:

سُبْحانَ الذي خَلَقَ الاَزواجَ كُلَّها مِمَّا تُنْبِت الاَرضُ ومِن اَنْفُسِهِم وَ مِمَّا لا يَعْلَمون(36)

Subhaan Allathi Khalaqa Al Azwaaj Kulaha Mema Tunbeto Al Arede Wa Men Anfosihem Wa Mema La Yaalamoon (36)

Glory be to Him Who created all the sexual pairs, of that which the earth groweth, and of themselves, and of that which they know not