01740oam 2200469 a 450 991069956170332120230902161815.0(CKB)5470000002403308(OCoLC)502102202(EXLCZ)99547000000240330820090925d2009 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierDelayed childbearing[electronic resource] more women are having their first child later in life /T.J. Mathews, and Brady E. HamiltonHyattsville, MD :U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics,[2009]1 online resource (8 unnumbered pages) digital, PDF fileNCHS data brief,1941-4935 ;no. 21DHHS publication ;no. (PHS) 2009-1209Title from title screen (viewed Sept. 28, 2010)."August 2009."Includes bibliographical references (pages 7-[8]).NCHS data brief (Series) ;no. 21.1941-4935DHHS publication ;no. (PHS) 2009-1209.Delayed childbearing Maternal ageUnited StatesStatisticsMothersUnited StatesStatisticsStatistics.lcgftMaternal ageMothersMathews T. J1386334Hamilton Brady E1386333National Center for Health Statistics (U.S.)LGGLGGGPOBOOK9910699561703321Delayed childbearing3476272UNINA