1028-4818 1028-4818 S1028-48182020000601417 Cuba 00 12 2020 00 12 2020 24 6 1417 1437

1 2008 2 1999 50 3 3 3 2010 75 3 3 172-8 4 2015 213 40 40 S29-52 5 2010 70 4 4 6 2008 79 1 1 98-104 7 2016 8 2013 54 4 4 9 2014 18 1 1 179-89 10 2016 20 12 12 2488-94 11 Committee on Obstetric Practice 2017 130 2 2 e95-e101 12 2016 127 3 3 426-36 13 2017 60 6 6 542-8 14 2015 28 13 13 1500-9 15 2015 213 40 40 S29-52 16 2015 21 390-5 17 2015 73 1 1 79-90 18 2015 35 396-400 19 2015 213 3 3 359.e1-16 20 2018 177 1 1 85-93 21 2015 36 3 3 262-9 22 2017 4 60 23 2017 16 4 4 3849-62 24 2015 33 1 1 70-5 25 2018 21 1 1 11-9 26 2017 68 2 2 102-11 27 2015 18 3 3 219-25 28 2018 86 3 3 174-85