Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleAuthors' reply re: Advanced maternal age increases the risk of very preterm birth irrespective of parity - a population based register study.AuthorsNorman, Mikael; Cnattingius, Sven; Vixner, Linda; Waldenström, UllaSubjectsMATERNAL age; PREMATURE labor; PREMATURE infants; QUESTIONNAIRES; PARITY (Obstetrics)PublicationBJOG: An International Journal of Obstetrics & Gynaecology, 2018, Vol 125, Issue 5, p634ISSN1470-0328Publication typeletterDOI10.1111/1471-0528.15053