Calibrated prevalence of infertility in 30- to 49-year-old women according to different approaches: a cross-sectional population-based study
STUDY QUESTION How does the estimated prevalence of infertility among 30- to 49-year-old women vary when using different approaches to its measurement? SUMMARY ANSWER The prevalence of women with difficulties in conceiving differed widely according to the measurement approach adopted. WHAT IS KNOWN ALREADY Establishing the true magnitude of infertility as a public health problem…