Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleEditor's Choice.AuthorsGrant, John MPublicationBJOG: An International Journal of Obstetrics & Gynaecology, 2001, Vol 108, Issue 12, pviiISSN1470-0328Publication typeArticleDOI10.1111/j.1471-0528.2001.00300.x