The results are still preliminary, though.
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They also collected information about the womens professions and how long they had been in their fields.
The study also notes that scientists cannot quantify the risk increase because of the limited data.
Very few previous studies investigated occupational hazards for women-dominated jobs, such as hairdressers and beauticians, she says.
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Ovarian cancer is rare, and this limits the data, Dr. Mager says.
She echoes the point that further studies are necessary.
Mager did not recommend any lifestyle changes for women who work in these professions.
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