Many cancer treatments affect the ability to become pregnant temporarily or permanently. Fertility preservation (FP) is an effort to retain the fertility of cancer patients thereby improving their quality of life. Due to the tremendous rise in risk of cancer it becomes essential to opt for preserving fertility. After the cancer treatment a woman's body might recover naturally and produce mature eggs that can be fertilized. However the medical team may recommend waiting for six months to two years before trying to get pregnant. The length of time depends on the type of cancer and the treatment used said Dr.