Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleReply.AuthorsJurkovic, D.; Day, A.AbstractA response by A. Day and colleague to a letter to the editor about their article "Use of serum progesterone measurements to reduce need for a follow-up in women with pregnancies of unknown location" in the 2009 issue is presented.SubjectsLETTERS to the editor; OBSTETRICS educationPublicationUltrasound in Obstetrics & Gynecology, 2009, Vol 34, Issue 3, p362ISSN0960-7692Publication typeLetterDOI10.1002/uog.7324