The Prophet (peace and blessings be upon him) said:
"If Allah Almighty has decreed something (the creation of a child), it will certainly come to be, even if the man practises withdrawal ('azl)."
Hadith Referenceصحیح الجامع الصغیر / حرف الألف / 1426
Hadith Gradingالألبانی:صحيح
Hadith Takhrij[الطيالسي] عن أبي سعيد. الصحيحة ١٤٦٢.