Navigation Links
Study finds strong pregnancy outcomes for survivors of childhood cancer
Date:7/12/2013

BOSTON -- Although women who survived childhood cancer face an increased risk of infertility, nearly two-thirds of those who tried unsuccessfully to become pregnant for at least a year eventually conceived, according to clinical researchers at Dana-Farber/Boston Children's Cancer and Blood Disorders Center and Brigham and Women's Hospital. This is comparable to the rate of eventual pregnancy among all clinically infertile women.

"Most women think that if they had cancer as a child, then they'll never have children. It turns out that many of them can get pregnant. It just might be a little harder," said senior author Lisa Diller, MD, chief medical officer of Dana-Farber/Boston Children's and medical director of the David B. Perini, Jr. Quality of Life Clinic at Dana-Farber Cancer Institute.

The paper, published July 13 in Lancet Oncology, is the first large-scale study of female childhood cancer survivors that examines outcomes for those who experienced infertility, as defined by the typical clinical definition of infertility (attempting to conceive for a year or more without success).

Overall, 15.9 percent of women who survived childhood cancer were affected by infertility, with 12.9 percent trying to conceive for at least one year without success. The remainder of survivors included in the infertile group had ovarian failure and may not have even attempted pregnancy. In a comparison group comprised of sisters of childhood cancer survivors, 10.8 percent experienced infertility. This translates to a roughly 50 percent higher risk of infertility among the survivors of childhood cancer.

The new study is based on data from the Childhood Cancer Survivor Study, a cohort study of five-year survivors from 26 institutions who were under 21 when diagnosed with cancer between 1970 and 1986. Researchers studied 3,531 sexually active female survivors, age 18-39, and a control group of 1,366 female siblings of participants in the large-scale survivor study.

"This is the first study to examine direct questions about infertility and the use of infertility services," said lead author Sara Barton, MD, a clinical fellow of reproduction and infertility at Brigham and Women's Hospital at the time of the research. "Previous studies used surrogate markers. Parenthood. Pregnancy. Births. These don't take into account people's intent. They don't take into account how long it took to achieve pregnancy."

Among survivors of childhood cancer who had been trying unsuccessfully to get pregnant for at least a year, 64 percent conceived after, on average, another six months, compared with an average of five months for clinically infertile women in the control group who eventually conceived.

Women whose cancer was treated with alkylating agent chemotherapy or high-dose radiation to the abdomen or pelvis were most at risk of infertility. Although pediatric oncologists have changed a number of treatment protocols over the last several decades to reduce late effects, alkylating agents and radiation continue to be used.

"Women getting alkylating agents or radiation to the pelvis or abdomen should be triaged for fertility preservation. In addition to being at highest risk to report infertility, female cancer survivors who received those cancer therapies were the least likely to conceive once they had infertility," said Barton, who is now a staff physician at the Heartland Center for Reproductive Medicine and clinical professor at the University of Nebraska Medical School. The new research, she added, will help clinicians offer guidance to current patients based on the treatment protocol for their cancer. "If you're newly diagnosed with Hodgkin's lymphoma, for instance, you may be slightly more likely to experience infertility, but I don't necessarily think you need to delay your therapy to freeze your eggs."

The researchers also found that only 42 percent of cancer survivors who sought treatment for infertility were prescribed medication, compared with 75 percent in the control group. Both groups 69 percent of survivors and 73 percent in the control group were similarly likely to seek medical help for their infertility.

Prior research has found that survivors of childhood cancer face a greater risk of infertility but, once pregnant, are not at greater risk for miscarriage or stillbirth.

"What we found delivers a really nice message to clinicians," Diller said. "If you have a patient who is a childhood cancer survivor and is self-reporting clinical infertility, the chances are good that she will become pregnant. Women who have a history of childhood cancer treatment should consider themselves likely to be fertile. However, it might be important to see an expert sooner rather than later if a desired pregnancy doesn't happen within the first six months."


'/>"/>

Contact: Irene Sege
irene.sege@childrens.harvard.edu
617-919-7379
Dana-Farber Cancer Institute
Source:Eurekalert

Related medicine news :

1. Study finds potential markers for severity of childhood arthritis
2. CWRU nursing school to study home visits for people with HIV and chronic illnesses
3. Rates of Serious Workplace Injuries Vary Widely by State, Allsup Reports in New Nationwide Study
4. People Suffering From Disabilities Are More Likely To Be Obese, Study Says
5. Statement from the Sensory Processing Disorder Foundation Endorsing New Breakthrough Study Revealing Biological Basis for Sensory Processing Disorders in Kids
6. Not so blue? Study suggests many Americans less depressed
7. Growth of cardiac services linked to competition, not improved patient care, study finds
8. Behavior change may have the greatest influence on waves of influenza outbreak: McMaster study
9. Large UK population study finds no increased cancer risk in children born after assisted conception
10. Fixed payments not a barrier to quality of care in HMOs, study finds
11. UIC to serve as Chicago site for largest-ever US study of Hispanic/Latino health
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/11/2016)... PORTLAND, Ore. (PRWEB) , ... February 11, 2016 ... ... found Medicaid coverage results in significantly higher rates of several common cancer screenings, ... early, resulting in better outcomes and survival rates. , The study,“What Does ...
(Date:2/10/2016)... ... February 10, 2016 , ... ... known locally for a series of therapeutic sessions to help Los Angeles-area actors ... and in their lives. The series, known as “Mindfulness for Actors and Artists,” ...
(Date:2/10/2016)... California (PRWEB) , ... February 10, 2016 , ... ... are working together to expand dental health services to the developmentally disabled in ... We Care Dental’s operations to a new facility at 71-949 Highway 111, Suite ...
(Date:2/10/2016)... ... 10, 2016 , ... Intermedix announced on Wednesday that it ... emergency medicine professional association, to support the organization's newly established physician group with ... Emergency Medicine, or AAEM, seeks to empower emergency physicians to control their own ...
(Date:2/10/2016)... ... ... 10 Best Water is excited to announce a new monthly ... topped the list as a result of their commitment to offering clients creative, customized, ... 5100, a top notch water company that specializes in providing the public with refreshing ...
Breaking Medicine News(10 mins):
(Date:2/11/2016)... -- PLAD, Inc. (OTC Pink: PLAD) is pleased to announce that ... targets, are adding key personnel to their national sales ... States Patent and Trademark Office for the characters "P.L.A.D.".    ... PLAD, Inc.  In January, PLAD established their presence in ... two new customers, Cumberland Goodwill EMS and Meadville Ambulance, ...
(Date:2/11/2016)... Exactus Pharmacy Solutions, a WellCare (NYSE: ... care for those suffering from long-term, life-threatening or ... Specialty Pharmacy Accreditation from URAC, an independent, nonprofit ... care quality through accreditation, education and measurement. ... URAC accreditation process demonstrates a commitment to quality ...
(Date:2/11/2016)... Feb. 11, 2016 Scientists from Silicon ... that opens the door to genetic analysis of ... been impossible to isolate with 100 percent purity. ... tumor types in various stages of development, the ... these cells that are clinically relevant, and may ...
Breaking Medicine Technology: