Reproductive factors, oral contraceptives and risk of malignant melanoma: Western Canada Melanoma Study.
Reproductive factors, oral contraceptives and risk of malignant melanoma: Western Canada Melanoma Study.
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DOI:
10.1038/bjc.1985.275
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发表时间:
1985-12
影响因子:
8.8
通讯作者:
Spinelli JJ
中科院分区:
文献类型:
--
作者:
Gallagher RP;Elwood JM;Hill GB;Coldman AJ;Threlfall WJ;Spinelli JJ
A study of 361 female melanoma patients and age matched controls was conducted in the four western provinces of Canada. Analysis of reproductive factors showed a significant negative association between number of livebirths and risk of melanoma. The relationship persisted for superficial spreading melanomas after adjustment for host pigmentation factors, freckling, and educational status. An inverse association between bilateral oophorectomy and risk of superficial spreading melanoma was also seen. No association was found between risk of melanoma and age at first birth, age at menarche and age at natural menopause. No association was found between risk of superficial spreading or nodular melanoma and use of either oral contraceptives or menopausal oestrogens.