Ontology highlight
ABSTRACT: Background
Most cohort-based research for subfertility has been conducted in clinic-based cohorts, which may differ from population-based cohorts.Methods
We retrospectively recruited parallel cohorts of subfertile women: one by sampling two specialty fertility clinics in Utah, and one by population-based sampling based on marriage and birth records. The index date (of first clinic visit or subfertility status) was between 2000 and 2009, and we linked the women recruited to subsequent birth certificate records through December 2010.Results
We enrolled 459 women through clinic-based sampling and 501 women through population-based sampling. Clinic-based women were older, had higher annual household income and more likely to have had a most intensive treatment of intrau
SUBMITTER: Stanford JB
PROVIDER: S-EPMC4899249 | biostudies-literature | 2016 Jul
REPOSITORIES: biostudies-literature