Is there any specific du'aa mentioned on the first night of marriage ? If yes, then what is the procedure?

When the newly wed couple come into their bedroom, firstly salam should be made and the following dua should be read:

اللَّهُمَّ إِنِّي أَسْأَلُكَ خَيْرَهَا ، وَخَيْرَ مَا جَبَلْتَهَا عَلَيْهِ ، وَأَعُوذُ بِكَ مِنْ شَرِّهَا ، وَشَرِّ مَا جَبَلْتَهَا عَلَيْهِ

'Allahumma in'ni as'a'luka min khai'riha wakhai'ri ma fiha wakhairi ma jabalta'ha alai wa a'udhu bika min shar'riha washar'ri ma fiha wa sharri ma jabalta'ha alai'

Transaltion: 'O Allah I ask you for the good in her and the good with which you have created her, and I seek refuge in you from the evil in her and the evil with which you have created her'

 (Bukhari, Abu Dawud, Ibn Maja, Al Hakim, Al Baihaqi and Abu Ya'la)

Then after making wudhu, two rakaats of Salatul' Hajat must be performed, and dua be made for a good and happy life that Allah bestow them (the couple) with good and pious children.

Then they should engage themselves in some religious talk showing importance to the obedience of Allah's commands and , through wisdom and tact, become more free and open in the discussion, trying to discover each other's temperament. As sexual inclinations vary with every individual, the bride and the bridegroom will have to display patience with each other. Sexual union on the first night of marriage is not the most important thing between the couple. Their first intimate association gives them an opportunity to know each other more closely, to assess each other's feelings and attitudes. With some brides excitement, expectations or fear of intimate union brings about a reluctance in performing sexual union.

The bridegroom should regard this moment as an opportunity to show his consideration for her tender feelings, to demonstrate that sex is a secondary aspect of marriage and that her health and feelings men more to him.

Sometimes, out of bashfulness or consideration for the brides feelings, the groom may also show reluctance to be sexually intimate. Then it is the bride's turn to display her appreciation and tolerance towards him.

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Dua before sexual intercourse

بِاسْمِ اللهِ ، اللهُمَّ جَنِّبْنَا الشَّيْطَانَ ، وَجَنِّبِ الشَّيْطَانَ مَا رَزَقْتَنَا

Translation

In the Name of Allah. O Allah, keep the shaytaan away from us and keep the shaytaan away from what You have blessed us with.

Note:

*The messenger of Allah said: whoever says this -du'a- and the wife was pregnant from that night, shaytan will never be able to harm the child. ( Bukhari )