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World Cancer Day: How fertility preservation techniques help survivors have babies

50% of cancer patients in India are under 50. New technologies and treatments are helping them preserve their fertility and conceive after the treatment.

fitness Updated: Feb 03, 2018 14:17 IST
Asian News International
Cancer,World Cancer Day,Fertility
Cancer treatment can affect fertility in both men and women.(Shutterstock)

About 50% of cancer patients in India are under the age of 50. Apart from other things, this alarming rate of young cancer victims has also created concerns about preservation of their fertility. However, experts indicate that recent advancements in the IVF sector can help cancer patients to keep the fertility window open for a longer time. Today, cancer victims not only have a better rate of survival but can also think of raising a child and starting a family.

Cancer treatment can affect fertility in both men and women. However, there are many techniques like egg freezing, embryo freezing, donor eggs, donor embryos, donor sperms and sperm freezing which can help in preserving fertility. Fertility preservation is a procedure to secure fertile eggs, ovarian tissue, or sperm before a patient undergoes cancer treatment. It can enable patients to reproduce once they overcome cancer.

Dr Hrishikesh D Pai, Director IVF & Infertility at Fortis La Femme Hospital, Delhi & Former Secretary General of the Federation of Obstetrics and Gynecological Societies of India says, “In young women, cancer treatment, including chemotherapy and radiation, can cause infertility. In men, exposure of the pelvis to radiation and use of chemotherapy drugs can lead to DNA damage in the sperms.”

However, there are many techniques such as egg freezing and sperm freezing, which are providing a ray of hope for patients. “The success rate of these methods is about 30% to 40% in younger men and women. In those above the age of 30 and 35, the fertility potential of the eggs and sperm may decrease, thereby lowering the success rate,” he adds.

In egg freezing, mature eggs are isolated and frozen before being fertilized with a sperm. The process is also known as egg banking. The frozen egg is thawed, fertilized with a sperm, and implanted in the uterus when the woman is ready to have a child. In men, live sperm cells can be frozen and stored for future use in infertility treatment. Once frozen, samples can be kept for at least 20 to 30 years (possibly longer) without further damage. This is known as semen cryopreservation.

Apart from other techniques, embryo freezing in women is one where the egg is fertilized with sperm in the laboratory. The embryo is frozen for future use. In another method, ovarian tissue is frozen and re-implanted after cancer treatment.

Dr Nandita Palshetkar, IVF and Infertility at Fortis Bloom IVF Center at La Femme GK 2 and Fortis Hospital Gurgaon & President-elect of the Federation of Obstetrics and Gynecological Societies of India, said, “Many cancers are detected early in life, often in the prime years for fertility. Cancer survivors can now produce their own biological child through fertility preservation. Unfortunately, fertility preservation services are rarely offered or even discussed with the patient before starting cancer therapy.”

Radiation oncologists can assume the unique role in communicating fertility preservation options given the fact that they encounter multiple patients. They should refer patients to reproductive specialists at the earliest. Additionally, a reference to psychosocial providers may also be beneficial particularly due to the fact that such patients may have moderate to severe distress about potential infertility.

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First Published: Feb 03, 2018 14:16 IST