volume 33, issue 1, P23-38 2002
DOI: 10.1076/brhm.33.1.23.1324
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Abstract: The aims of the study were to test whether nocturnal white light can normalize menstrual cycles in oligomenorrheic women, and whether the phase of the menstrual cycle in which light is given is important for the shortening effect. Twenty-five women with long menstrual cycles (35.9-53.4 days on average) were treated for 1-3 cycles, each of which was preceded and followed by at least two untreated cycles. Treatments were 100 watt bedside lights administered for 5 consecutive nights. They centered at three diffe…

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