Many women don’t realize that their fertility begins to decline as early as their late 20s. A healthy 30-year-old woman has a 20 percent chance per month to get pregnant. A healthy 40-year-old woman has only a 5 percent chance of getting pregnant per month.
Some treatments for breast cancer can cause temporary infertility or make it harder for you to get pregnant after treatment ends. Other treatments cause permanent and irreversible menopause, which means you are permanently infertile.
Cancer patients undergoing chemotherapy or any kind of radiation that could harm their ovaries, similarly many other medical procedures could hurt your fertility. Therefore freezing your eggs before doing any major treatment will give you a fighting chance to get pregnant after completing your treatment.