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Reproduction and marriage among male survivors of cancer in childhood, adolescence and young adulthood: a national cohort study.


ABSTRACT:

Background

Increased survival after cancer in young age has made long-term follow-up studies of high external validity important. In this national cohort study, we explored the impact of cancer in young age on reproduction and marital status in male survivors.

Methods

Hazard ratios (HRs) and relative risks (RRs) of reproductive and marital outcomes were studied for male survivors of cancer in young age (<25 years) and cancer-free male comparisons, born during 1965-1985, by linking compulsory national registries in Norway.

Results

Male cancer survivors (n=2687) had reduced paternity (HR: 0.72, 95% confidence interval (CI): 0.68-0.76). This was most apparent in survivors of testicular cancer, brain tumours, lymphoma, leukemia and bone tumours, and when diagnosed with cancer before 15 years of age. Male cancer survivors were more likely to avail of assisted reproduction (RR: 3.32, 95% CI: 2.68-4.11). There was no increased risk of perinatal death, congenital malformations, being small for gestational age, of low birth weight or preterm birth in their first offspring. Male cancer survivors were less likely to marry (HR: 0.93, 95% CI: 0.86-1.00), in particular brain tumour survivors.

Conclusions

In this national cohort study, we demonstrated reduced paternity and increased use of assisted reproduction among male cancer survivors, but no adverse outcome for their first offspring at birth.

SUBMITTER: Gunnes MW 

PROVIDER: S-EPMC4742584 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Publications

Reproduction and marriage among male survivors of cancer in childhood, adolescence and young adulthood: a national cohort study.

Gunnes M W MW   Lie R T RT   Bjørge T T   Ghaderi S S   Ruud E E   Syse A A   Moster D D  

British journal of cancer 20160121 3


<h4>Background</h4>Increased survival after cancer in young age has made long-term follow-up studies of high external validity important. In this national cohort study, we explored the impact of cancer in young age on reproduction and marital status in male survivors.<h4>Methods</h4>Hazard ratios (HRs) and relative risks (RRs) of reproductive and marital outcomes were studied for male survivors of cancer in young age (<25 years) and cancer-free male comparisons, born during 1965-1985, by linking  ...[more]

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