‏النكاح : Hadeeth No:3374 Abu Sa'id al-Khudri (Allaah be pleased with him) (was asked if he had heard it himself), to which he said: Yes. (I heard) Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: There is no harm if you do not practise it, for it (the birth of the child) is something ordained (by Allaah)....

‏الحج : Hadeeth No:3041 'A'isha (Allaah be pleased with her) reported: Allaah's Messenger (sallAllaahu alayhi wa sallam) sent some goats as sacrificial animals to the House and He garlanded them....