title: Valid and precise measurement.
authors.forename: Geraldine
authors.initials: G
authors.lastname: Barrett
authors.forename: Diane
authors.initials: D
authors.lastname: Morof
authors.forename: Corinne H
authors.initials: CH
authors.lastname: Rocca
mesh_terms: D005193:Family Planning Services; D005260:Female; D006801:Humans; D033182:Intention; D011247:Pregnancy; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires