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Anders Hammerich Riis

A prospective cohort study of menstrual characteristics and time to pregnancy

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The authors examined the association between menstrual characteristics and time to pregnancy among 2,653 Danish women enrolled in a prospective cohort study (2007-2009). Menstrual characteristics were reported at baseline. Outcome data were updated bimonthly until pregnancy, fertility treatment, loss to follow-up, or end of observation (12 cycles). Adjusted fecundability ratios and 95% confidence intervals were estimated by using discrete-time Cox regression models. Relative to average cycle lengths (27-29 days), fecundability ratios for cycle lengths
Original languageEnglish
JournalAmerican Journal of Epidemiology
Volume174
Issue6
Pages (from-to)701-9
Number of pages9
ISSN0002-9262
DOIs
Publication statusPublished - 2011

    Research areas

  • Adolescent, Adult, Female, Fertility, Follow-Up Studies, Humans, Menstrual Cycle, Pregnancy, Prospective Studies, Questionnaires, Time Factors, Young Adult

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