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Cite this page: Hill, M.A. (2020, November 29) Embryology USA Statistics. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Talk:USA_Statistics
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Births: preliminary data for 2012
Natl Vital Stat Rep. 2013 Sep;62(3):1-20.
Hamilton BE, Martin JA, Ventura SJ.
Objectives-This report presents preliminary data for 2012 on births in the United States. U.S. data on births are shown by age, live-birth order, race, and Hispanic origin of mother. Data on marital status, cesarean delivery, preterm births, and low birthweight are also presented. Methods-Data in this report are based on 99.96% of 2012 births.Records for the few states with less than 100% of records received are weighted to independent control counts of all births received in state vital statistics offices in 2012. Comparisons are made with final 2011 data. Results-The preliminary number of births for the United States in 2012 was 3,952,937, essentially unchanged (not statistically significant) from 2011; the general fertility rate was 63.0 births per 1,000 women aged 15-44, down only slightly from 2011, after declining nearly 3% a year from 2007 through 2010. The number of births and fertility rate either declined or were unchanged for most race and Hispanic origin groups from 2011 to 2012; however, both the number of births and the fertility rate for Asian or Pacific Islander women rose in 2012 (7% and 4%, respectively). The birth rate for teenagers aged 15-19 was down 6% in 2012 (29.4 births per 1,000 teenagers aged 15-19), yet another historic low for the United States, with rates declining for younger and older teenagers and for nearly all race and Hispanic origin groups. The birth rate for women in their early 20s also declined in 2012, to a new record low of 83.1 births per 1,000 women. Birth rates for women in their 30s rose in 2012, as did the birth rate for women in their early 40s. The birth rate for women in their late 40s was unchanged. The nonmarital birth rate declined in 2012 (to 45.3 birth per 1,000 unmarried women aged 15-44), whereas the number of births to unmarried women rose 1% and the percentage of births to unmarried women was unchanged (at 40.7%). The cesarean delivery rate for the United States was unchanged in 2012 at 32.8%. The preterm birth rate fell for the sixth straight year in 2012 to 11.54%. The low birthweight rate also declined in 2012, to 7.99%. All material appearing in this report is in the public domain and may be reproduced or copied without permission; citation as to source, however, is appreciated.
Annual summary of vital statistics: 2010-2011
Pediatrics. 2013 Mar;131(3):548-58. doi: 10.1542/peds.2012-3769. Epub 2013 Feb 11.
Hamilton BE, Hoyert DL, Martin JA, Strobino DM, Guyer B. Author information
The number of births in the United States declined by 1% between 2010 and 2011, to a total of 3 953 593. The general fertility rate also declined by 1% to 63.2 births per 1000 women, the lowest rate ever reported. The total fertility rate was down by 2% in 2011 (to 1894.5 births per 1000 women). The teenage birth rate fell to another historic low in 2011, 31.3 births per 1000 women. Birth rates also declined for women aged 20 to 29 years, but the rates increased for women aged 35 to 39 and 40 to 44 years. The percentage of all births to unmarried women declined slightly to 40.7% in 2011, from 40.8% in 2010. In 2011, the cesarean delivery rate was unchanged from 2010 at 32.8%. The preterm birth rate declined for the fifth straight year in 2011 to 11.72%; the low birth weight rate declined slightly to 8.10%. The infant mortality rate was 6.05 infant deaths per 1000 live births in 2011, which was not significantly lower than the rate of 6.15 deaths in 2010. Life expectancy at birth was 78.7 years in 2011, which was unchanged from 2010. Crude death rates for children aged 1 to 19 years did not change significantly between 2010 and 2011. Unintentional injuries and homicide were the first and second leading causes of death, respectively, in this age group. These 2 causes of death jointly accounted for 47.0% of all deaths of children and adolescents in 2011.
Advisory Committee on Immunization Practices (ACIP) Recommended Immunization Schedules for Persons Aged 0 Through 18 years and Adults Aged 19 Years and Older — United States, 2013
<iframe src="http://www.cdc.gov/vaccines/schedules/hcp/imz/child-adolescent-shell.html" width="100%" height="1200px" frameborder="0" scrolling="auto" id="Iframe" title="Child Immunization Schedule">Child Immunization Schedule</iframe>
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Intended and unintended births in the United States: 1982-2010
Natl Health Stat Report. 2012 Jul 24;(55):1-28.
Mosher WD, Jones J, Abma JC. Source U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, Division of Vital Statistics, Hyattsville, MD 20782, USA.
OBJECTIVES: This report shows trends since 1982 in whether a woman wanted to get pregnant just before the pregnancy occurred. This is the most direct measure available of the extent to which women are able (or unable) to choose to have the number of births they want, when they want them. In this report, this is called the "standard measure of unintended pregnancy." METHODS: The data used in this report are primarily from the 2006-2010 National Survey of Family Growth (NSFG), conducted by the Centers for Disease Control and Prevention's National Center for Health Statistics. The 2006-2010 NSFG included in-person interviews with 12,279 women aged 15-44. Some data in the trend analyses are taken from NSFG surveys conducted in 1982, 1988, 1995, and 2002. RESULTS: About 37% of births in the United States were unintended at the time of conception. The overall proportion unintended has not declined significantly since 1982. The proportion unintended did decline significantly between 1982 and 2006-2010 among births to married, non-Hispanic white women. Large differences exist between groups in the percentage of births that are unintended. For example, unmarried women, black women, and women with less education or income are still much more likely to experience unintended births compared with married, white, college-educated, and high-income women. This report also describes some alternative measures of unintended births that give researchers an opportunity to study this topic in new ways.