title: In Reply.
authors.affiliation: Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.
authors.forename: William H
authors.initials: WH
authors.lastname: Barth
mesh_terms: D005113:Extraction, Obstetrical / Q000379:methods*; D005260:Female; D006801:Humans; D007744:Obstetric Labor Complications / Q000628:therapy*; D011247:Pregnancy