Anna is a 34 year old that was recently diagnosed with colorectal cancer. Many public figures devote their time and effort to promote awareness of colorectal cancer. Colon cancer in young women and men and its effect on future fertility commonly pass unnoticed.
Anna’s oncologist told her that the treatment of her cancer should include chemotherapy and pelvic radiation followed by surgery. She was interested in getting pregnant after her cancer treatment. Her oncologist did not discuss fertility issues with her but luckily her surgeon did. She was referred for consultation with a reproductive endocrinologist. 
The effects of colorectal cancer treatment were explained:
- Chemotherapy for colon cancer is relatively benign and likely will not result in loss of fertility
- Pelvic radiation at doses used for colon cancer will very likely result in complete loss of ovarian function
- Pelvic radiation will also damage the uterus making future pregnancy in her own uterus unsafe.
She needed a special plan to preserve her fertility tailored specifically to her, her family and her tumor. Options discussed with her included
- Ovarian stimulation, egg retrieval, fertilization with husband sperm and freezing the resulting embryos. Embryos could be later transferred to a gestational carrier,
- Moving one ovary away from the pelvis to avoid radiation damage (ovarian transposition) and / or
- Removing one ovary and freezing it for later transplantation.
The last two options could take place simultaneously through minimally access surgery.
After extensive discussions, Anna and her family opted for option one only (freeze embryos). Her oncologist and surgeon approvals were obtained. Stimulation of the ovaries, retrieval, fertilization and embryo freezing was accomplished in two weeks without delaying her cancer treatment.
Following pelvic radiation, her menstrual cycle ceased and she experienced hot flashes.
Fast Forward…
One year later, Anna came back for the embryos. She wanted to carry in her own uterus but was discouraged from doing that. She finally agreed to use a gestational carrier. After a short search, the family met someone they trust to carry their baby.
The carrier was tested and found to be medically suitable. After preparing her uterus with hormones, Anna’s embryo was thawed and transferred. To Anna and everyone’s delight she got pregnant. Finally the carrier delivered a beautiful girl! What is heart-warming is the fact that Anna has more frozen embryos. She can do it all over again if she chose to.
Men diagnosed with colorectal cancer, especially if they require pelvic radiation, can also preserve future fertility through sperm freezing. This is certainly an available and simple technology, limited only by the availability of appropriate and timely counseling by oncologists and fertility preservation specialists. The sperm samples are then used either for intrauterine insemination or IVF with ICSI (intracytoplasmic sperm injection).
Call to action; even in extreme situations, don’t lose the courage to follow your instinct to having a baby. Nobody said its simple but it is definitely possible!
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