0186-7210 0186-7210 S0186-72102009000300615 10.24201/edu.v24i3.1330 Mexico Mexico Mexico Mexico Mexico 00 12 2009 00 12 2009 24 3 615 651

1999 17 17 13-58 1995 37-64 1982 36 2 2 159-75 2000 4 3 3 163-9 2006 21 1 1 49-81 2003 93 7 7 1110-6 Conapo 2005 11-5 2006 48 ^s2 ^s2 2 239-49 1999 282 14 14 1359-64 2000 13-20 1995 261-83 2005 172 5 5 637-41 2005 11-37 2000 203-28 1997 39 6 6 1-8 2008 26 77 77 435-50 The PRAMS Working Group 2000 4 2 2 85-92 2006 2004 297-320 INEGI 2003 21-36 2005 2006 2 1 1 90-101 2000 27 27 2 1994 49-57 2008 5 2 2 1-16 1998 23-51 2005 6 3 3 217-35 2004 30 4 4 165-73 2000 4 3 3 79-182 2005 67 4 4 687-727 Real Academia Española 2008 2006 48 ^s2 ^s2 2 268-78 2000 4 3 3 191-6 Unintended Pregnancy Working Group 2003 35 2 2 94-101 2007 33 3 3 124-32 2000 4 3 3 183-9 2004 10 39 39 127-57 2002 35-65 1996 314-43 1995 219-36 2005 105 6 6 1329-34 2002 191-206