Cancer incidence in a cohort of infertile women who underwent in vitro fertilization
Jehoshua Dor a and Liat Lerner-Geva bAJaron Rabinovici a, Angela Chetrit b, David Levran c, Bruno Lunenfeld d, Shlomo Mashiach a and Baruch Modan b
Tel Hashomer 52621, Israel (FAX: 972-3-5348360), E-mail: firstname.lastname@example.org
A *Reprint request(s): Liat Lerner-Geva, M.D., Women and Children's Health Research Unit, Gertner Institute, Chaim Sheba Medical Center,
aDepartment of Obstetrics and Gynecology, Chaim Sheba Medical Center, Tel Hashomer, Israel bDepartment of Clinical Epidemiology, Chaim Sheba Medical Center, Tel Hashomer, Israel cAssuta Medical Center, Tel Aviv, Israel dThe Bar-Ilan University, Ramat Gan, Israel
Objective: To assess whether ovarian hyperstimulation and IVF increase the risk for cancer.
Design: Historical cohort analysis.
Setting: IVF units of two medical centers in Israel.
Patient(s): Five thousand twenty-six women who underwent IVF between 1981 and
Intervention: Cancer incidence rates were determined through linkage to the National
Cancer Registry and were compared with expected rates with respect to age, sex,
and place of birth.
Main Outcome Measure(s): Development of cancer.
Result(s): Twenty-seven cases of cancer were observed, and 35.6 were expected
(standardized incidence ratio, 0.76 [95% CI, 0.50–1.10]). Eleven cases of breast
cancer were observed, whereas 15.86 were expected (standardized incidence ratio,
0.69 [95% CI, 0.46–1.66]).
One case of ovarian cancer and 1 case of cervical cancer
were observed, compared with 1.74 and 1.73 cases expected, respectively. The type
of infertility, number of IVF cycles, and treatment outcome did not significantly affect
risk for cancer.
Conclusion(s): In a cohort of women treated with IVF, no excess risk for cancer was
Fertility and Sterility
Volume 77 Issue 2 (February 2002) Pages 324-327
33rd Annual Meeting
Soc of Gynecological Oncologists
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