0121-5256 0121-5256 S0121-52562007000200012 Colombia 00 07 2007 00 07 2007 15 2 251 260

1 2005 11 11 165-81 2 1999 11 5 5 441-50 3 The American Fertility Society 1988 49 49 944 4 1982 3 280 5 1999 31 6 2000 55 10 10 644-48 7 1992 24 24 570-5 8 2006 M ar 21 3 3 792-7 9 2006 M ay 85 5 5 1510 10 2005 D ec 57 6 6 655-8 11 2003 N ov 48 11 11 902-4 12 2004 M ar 81 3 3 689-92 13 1992 103 103 795-800 14 2005 N ov 90 5 5 249-56 15 2006 J ul 91 4 4 217-22 16 2006 A pr 47 4 4 329-31 17 2006 F eb 85 2 2 353-7 18 2002 574 574 212-13 19 2006 J an 74 1 1 37-47 20 1998 N ov 41 5 5 568-9 21 2006 113 3 3 340-3 22 23 2006 J an 19 1 1 19-22 24 1993 82 82 655-656 25 2006 S ep 22 9 9 749-53 26 1997 90 90 706-707 27 1998 46 46 65-67 28 1997 90 90 706-707 29 2001 A ug 8 3 3 402-8 30 1997 12 7 7 1371-1372 31 2006 F eb 24 1 1 25-32 32 1997 12 7 7 1372-76 33 1998 13 4 4 789-91 34 2003 14 4 4 269-80 35 1992 103 103 795-800 36 2005 106 5 5 1160-62 37 2005 106 5 5 1150-52 38 2005 105 105 1456-67 39 1999 14 4 4 931-33 40 1999 14 14 1965-68 41 1997 12 12 1381-87 42 1999 177-204 43 2000 24 6 6 829-34 44 2002 A ug 9 3 3 376-9 45 2004 J un 190 6 6 1669-75 46 2001 185 185 338-44 47 2001 F eb 8 1 1 151-3 48 1999 J ul 14 7 7 1741-3 49 1992 J ul 58 1 1 88-93 50 1953 65 65 325-339 51 1952 64 64 25-37 52 1962 42 42 1049-1055 53 54 2006 F eb 85 2 2 494.e9-10 55 2000 91-101 56 American College of Obstetricians and Gynecologists (ACOG) 2001 F eb 12 57 1996 11 11 727-729 58 2004 190 6 6 1669-78 59 2001 98 6 6 1099-103 60 2004 J an 13 1 1 33-9 61 1998 J ul 26 7-8 7-8 598-604