ENOfficial
Abu Sa'id al-Khudri (Allah be pleased with him) (was asked if he had heard it himself), to which he said: Yes. (I heard) Allah's Messenger (ﷺ) as saying: There is no harm if you do not practise it, for it (the birth of the child) is something ordained (by Allah).
Source: sunnah.com
Other translations
Arabic
وَحَدَّثَنَا نَصْرُ بْنُ عَلِيٍّ الْجَهْضَمِيُّ، حَدَّثَنَا بِشْرُ بْنُ الْمُفَضَّلِ، حَدَّثَنَا شُعْبَةُ، عَنْ أَنَسِ، بْنِ سِيرِينَ عَنْ مَعْبَدِ بْنِ سِيرِينَ، عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، قَالَ قُلْتُ لَهُ سَمِعْتَهُ مِنْ أَبِي سَعِيدٍ، قَالَ نَعَمْ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " لاَ عَلَيْكُمْ أَنْ لاَ تَفْعَلُوا فَإِنَّمَا هُوَ الْقَدَرُ" .
sunnah.com