A Prospective Cohort Study of Menstrual Characteristics and Time to Pregnancy

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, los...

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Veröffentlicht in:	American journal of epidemiology 2011-09, Vol.174 (6), p.701-709
Hauptverfasser:	WISE, Lauren A, MIKKELSEN, Ellen M, ROTHMAN, Kenneth J, RIIS, Anders H, SORENSEN, Henrik Toft, HUYBRECHTS, Krista F, HATCH, Elizabeth E
Format:	Artikel
Sprache:	eng
Schlagworte:	Adolescent Adult Biological and medical sciences Epidemiology Female Fertility Fertility - physiology Follow-Up Studies General aspects Humans Medical sciences Menstrual Cycle - physiology Menstruation Miscellaneous Original Contributions Pregnancy Prospective Studies Public health. Hygiene Public health. Hygiene-occupational medicine Surveys and Questionnaires Time Factors Womens health Young Adult
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Beschreibung
Zusammenfassung:	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
ISSN:	0002-9262 1476-6256
DOI:	10.1093/aje/kwr130