Occasional masturbation will not affect the fertilized egg, but if you masturbate often and cannot control it, it will affect the fertilized egg, the woman is nervous during masturbation, hormone secretion is strong. The contraction of the uterus will directly affect the normal fertilization of the fertilized egg. The unstable placenta will lead to miscarriage. The fertilized egg will be formed when the egg is discharged and combined with the sperm, and abnormal physical changes will occur throughout the fertilization process. If there are various problems such as defects in the fertilized egg or abnormal endometrium, it will affect the normal fertilization of the fertilized egg. Endocrine disorders or luteal insufficiency will affect the fertilization.