Hormonal contraceptives minimise onset of Asthma in women, study finds

A newer study found that there was a reduced risk of new-onset asthma in women when using Hormonal contraceptives. The recent study was published in the "Journal of Allergy and Clinical Immunology", 2020.

Studies have found that there is a sex difference in the incidence and prevalence of asthma. There is growing evidence to show that asthma pathogenesis is regulated by sex hormones. Despite well-described sex differences in asthma incidence, there remains uncertainty about the role of female sex hormones in the development of asthma. Bright Nwaru et al conducted a study to investigate if hormonal contraceptive use and duration of use were associated with new-onset asthma in reproductive-age women.

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The researchers used the Optimum Patient Care Research Database, a UK national primary care database for the study. The study was conducted from January 1, 2000, to December 31, 2016. They constructed an open cohort of 16- to 45-year-old women (N = 564,896) and followed for up to 17 years. Multilevel Cox regression models were used to analyze the data.