2529-850X 2529-850X S2529-850X2020000300006 10.19230/jonnpr.2916 Spain Spain Spain Spain Spain Spain Spain 00 00 2020 00 00 2020 5 3 329 346

2007 3 5 5 333-9 2013 29 5 5 334-46 2010 3 2 2 2007 2015 24 2 2 81-92 2016 34 2 2 e28-37 ACOG 2015 126 e135-42 American College of Obstetricians and Gynecologists 2003 46 2 2 496-9 2008 22 1 1 10 2004 5 1 1 2005 308 5728 5728 1592-4 2012 83 4 4 485-502 2011 28 3 3 234-42 2011 14 4 4 299-305 2017 36 122-7 2013 22 15-16 15-16 2122-31 1996 10 3 3 279-91 2018 5 2 2 186-96 2015 56 3 3 169-73 2016 41 2 2 104-9 ACOG 2018 131 5 5 e140-50 2009 339 b2700 2015 17 1 1 64-70 2015 28 2 2 116-20 2005 42 3 3 95-110 2011 15 6 6 806-13 2009 9 32 32 2015 15 100 2016 16 1 1 131 2018 77 1-7 2017 11 1 1 50-5 2008 16 3 3 177-86 2015 21 5 5 478-85