Final answer:
Implantation bleeding does not occur in every pregnancy. It is estimated that only 20-30% of women may experience some form of light spotting or bleeding during implantation.
Step-by-step explanation:
Implantation bleeding does not occur in every pregnancy. It is estimated that only 20-30% of women may experience some form of light spotting or bleeding during implantation. This is typically a small amount of blood that occurs when the fertilized egg implants itself into the lining of the uterus. It is important to note that implantation bleeding is usually lighter and shorter than a regular menstrual period, and it does not occur in every pregnancy.
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