title: Unintended pregnancy among active-duty servicewomen and veterans.
authors.forename: Peter E
authors.initials: PE
authors.lastname: Nielsen
authors.forename: Geoffrey D
authors.initials: GD
authors.lastname: Towers
authors.forename: Amy L
authors.initials: AL
authors.lastname: O'Boyle
mesh_terms: D003267:Contraception / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008889:Military Personnel / Q000706:statistics & numerical data*; D011247:Pregnancy; D049168:Pregnancy, Unplanned; D014728:Veterans / Q000706:statistics & numerical data*