Exogenous female sex steroid hormones and new-onset asthma in women: a matched case–control study
Guoqiang Zhang,
Rani Basna,
Maya B. Mathur
et al.
Abstract:Background
Evidence on the role of exogenous female sex steroid hormones in asthma development in women remains conflicting. We sought to quantify the potential causal role of hormonal contraceptives and menopausal hormone therapy (MHT) in the development of asthma in women.
Methods
We conducted a matched case–control study based on the West Sweden Asthma Study, nested in a representative cohort of 15,003 women aged 16–75 years, with 8-year follow-… Show more
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