First births to older women continue to rise.
暂无分享,去创建一个
[1] Ventura Sj. Trends and variations in first births to older women, United States, 1970-86. , 1989 .
[2] A. Chandra,et al. Fertility of men and women aged 15-44 years in the United States: National Survey of Family Growth, 2006-2010. , 2012, National health statistics reports.
[3] Elena Neiterman,et al. Ready: Why Women Are Embracing the New Later Motherhood , 2007 .
[4] J. Martin,et al. Births: final data for 2010. , 2012, National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System.
[5] G. Alexander,et al. First-time births among women 30 years and older in the United States: patterns and risk of adverse outcomes. , 2006, The Journal of reproductive medicine.
[6] India U.S. Consulate Chennai. U.S. Department of Health & Human Services , 2014 .
[7] J. A. Martin,et al. ADVANCE REPORT OF FINAL NATALITY STATISTIC, 1992 , 1994 .
[8] S. Curtin,et al. Births: final data for 2012. , 2013, National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System.
[9] T. J. Mathews,et al. Infant mortality statistics from the 2009 period linked birth/infant death data set. , 2013, National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System.
[10] E. Gratacós,et al. Delayed childbearing: effects on fertility and the outcome of pregnancy. , 2012, Current Opinion in Obstetrics and Gynecology.