Full Sharh — Mishkat al-Masabih 3057
وَعَنْهُ قَالَ: إِنَّ رَجُلًا أَتَى رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فَقَالَ: " إِن لي جَارِيَةً هِيَ خَادِمَتُنَا وَأَنَا أَطُوفُ عَلَيْهَا وَأَكْرَهُ أَنْ تَحْمِلَ فَقَالَ: «اعْزِلْ عَنْهَا إِنْ شِئْتَ فَإِنَّهُ سَيَأْتِيهَا مَا قُدِّرَ لَهَا» . فَلَبِثَ الرَّجُلُ ثمَّ أَتَاهُ فَقَالَ: إِن الْجَارِيَة قد حبلت فَقَالَ: «قَدْ أَخْبَرْتُكَ أَنَّهُ سَيَأْتِيهَا مَا قُدِّرَ لَهَا» . رَوَاهُ مُسلم
English Translation
He told of a man who went to God's Messenger and said, “I have a slave-girl who is our servant and I have intercourse with her, but do not want her to conceive.” He replied, “Withdraw your penis from her if you wish, for what is decreed for her will come to her.” After a time the man came and told him the girl had become pregnant, and he said, “I told you that what was decreed for her would come to her.” Muslim transmitted it.
Source
Mishkat al-Masabih(مشكاة المصابيح)
Marriage
Hadith Number
3057