Hormones in menstrual cycle 'affect asthma'

http://www.bbc.co.uk/news/health-20255966


Period pain is not the only symptom linked to a woman's menstrual cycle, the study suggests

A woman's menstrual cycle affects the severity of respiratory symptoms, potentially worsening conditions such as asthma, a study suggests.

Norwegian researchers studied almost 4,000 women, and found worse symptoms around ovulation.

Writing in the American Journal of Respiratory and Critical Care Medicine, they said it may be possible to adapt women's medication.

Asthma UK said it could help women with asthma manage their condition better.