title: When to expect when you're expecting: a mystery unsolved by cervical length.
authors.affiliation: Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
authors.forename: E S
authors.initials: ES
authors.lastname: Miller
authors.affiliation: Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
authors.forename: W A
authors.initials: WA
authors.lastname: Grobman
mesh_terms: D054791:Cervical Length Measurement / Q000295:instrumentation*; D020070:Cervical Ripening / Q000502:physiology*; D002584:Cervix Uteri / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D011247:Pregnancy; D014621:Vagina / Q000000981:diagnostic imaging*