title: The challenge and enjoyment of the interpretation of epidemiologic data.
abstract: The trend toward a decline in the percentage of women with infertility in the United States appears real. While the factors associated with this trend are likely many, complex, and interrelated, we cannot overlook the positive impact of those individuals who practice in the field of reproductive medicine.
authors.affiliation: Penn Fertility Care, Department of Obstetrics and Gynecology, and Center for Clinical Epidemiology and Biostatics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA. kbarnhart@obgyn.upenn.edu
authors.forename: Kurt T
authors.initials: KT
authors.lastname: Barnhart
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D015982:Bias; D015984:Causality; D003627:Data Interpretation, Statistical; D004522:Educational Status; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000453:epidemiology* / Q000628:therapy*; D017533:Marital Status / Q000706:statistics & numerical data; D011159:Population Surveillance / Q000379:methods*; D015995:Prevalence; D027724:Reproductive Techniques, Assisted / Q000706:statistics & numerical data*; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors; D014481:United States / Q000453:epidemiology