Changes in Home Births by Race and Hispanic Origin and State of Residence of Mother:United States, 2019-2020 and 2020- 2021.

Objectives-This report describes changes between 2020 and 2021 in the percentage of home births by month, race and Hispanic origin, and state of residence of the mother, and makes comparisons with changes occurring between 2019 and 2020.

Births in the United States, 2021.

This report presents selected highlights from 2021 final birth data on key demographic, healthcare use, and infant health indicators. The number of births, general fertility rates (GFRs) (births per 1,000 females aged 15-44), age-specific birth rates (births per 1,000 females in specified age group), vaginal birth after cesarean (VBAC) delivery rates, and preterm (less than 37 weeks of gestation) birth rates are presented. Results for 2019, 2020, and 2021 are shown for all births to provide context for changes in birth patterns noted during 2020, the first year of the COVID-19 pandemic (1,2). VBAC and preterm birth rates are shown for the three largest race and Hispanic-origin groups: non-Hispanic White, non-Hispanic Black, and Hispanic.

Births: final data for 2013.

OBJECTIVES: This report presents 2013 data on U.S. births according to a wide variety of characteristics. Data are presented for maternal age, live-birth order, race and Hispanic origin, marital status, attendant at birth, method of delivery, period of gestation, birthweight, and plurality. Birth and fertility rates are presented by age, live-birth order, race and Hispanic origin, and marital status. Selected data by mother's state of residence and birth rates by age and race of father also are shown. Trends in fertility patterns and maternal and infant characteristics are described and interpreted. METHODS: Descriptive tabulations of data reported on the birth certificates of the 3.93 million U.S. births that occurred in 2013 are presented. RESULTS: A total of 3,932,181 births were registered in the United States in 2013, down less than 1% from 2012. The general fertility rate declined to 62.5 per 1,000 women aged 15-44. The teen birth rate fell 10%, to 26.5 per 1,000 women aged 15-19. Birth rates declined for women in their 20s and increased for most age groups of women aged 30 and over. The total fertility rate (estimated number of births over a woman's lifetime) declined 1% to 1,857.5 per 1,000 women. Measures of unmarried childbearing were down in 2013 from 2012. The cesarean delivery rate declined to 32.7%. The preterm birth rate declined for the seventh straight year to 11.39%, but the low birthweight rate was essentially unchanged at 8.02%. The twin birth rate rose 2% to 33.7 per 1,000 births; the triplet and higher-order multiple birth rate dropped 4% to 119.5 per 100,000 total births.

Primary cesarean delivery rates, by state: results from the revised birth certificate, 2006-2012.

Objectives-This report describes state-specific trends in primary cesarean delivery rates from 2006 through 2012 for reporting areas that implemented the 2003 U.S. Standard Certificate of Live Birth by January 1, 2006, and from 2009 through 2012 for reporting areas that implemented the 2003 revision by January 1, 2009. State-specific changes by gestational age are also explored. Methods-Data for 2006-2012 are based on 100% of singleton births to residents of the reporting areas that implemented the 2003 birth certificate revision by January 1 of each year. Results are not generalizable to the entire United States-the reporting areas do not represent a random sample of U.S. births. Results-The primary cesarean delivery rate for the 2006 reporting area (19 states) increased from 21.9% in 2006 to 22.4% in 2009, and then declined to 21.9% in 2012. For the 2009 reporting area (28 states and New York City), the primary cesarean rate declined from 22.1% to 21.5% during 2009-2012. Rates for 16 of 29 areas declined during 2009-2012; the remaining states were unchanged. By gestational age, state-specific primary cesarean delivery rates at 38 weeks declined for 18 of 29 areas from 2009 to 2012; few state-specific changes were observed at other gestational ages. The primary cesarean delivery rate for the 38 states, District of Columbia, and New York City that were using the revised certificate by January 1, 2012, was 21.5%. State-specific rates ranged from 12.5% (Utah) to 26.9% (Florida and Louisiana).

Newly released data from the revised U.S. birth certificate, 2011.

OBJECTIVES: This report is the first release of multistate data for selected items exclusive to the 2003 revision of the U.S. Standard Certificate of Live Birth. Included is information for prepregnancy body mass index, smoking and quitting smoking in the 3 months prior to pregnancy, receipt of food from the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) during pregnancy, pregnancy resulting from infertility treatment, source of payment for delivery, and maternal morbidities. METHODS: Descriptive statistics are presented for 100% of 2011 births to residents of the 36 states, the District of Columbia (D.C.), and Puerto Rico that had implemented the revised birth certificate by January 1, 2011. This reporting area is not a random sample, and results are not generalizable to the United States as a whole. RESULTS: The 3,267,934 births to residents of the 36-state and D.C. reporting area represented 83% of all 2011 U.S. births. Levels of prepregnancy obesity ranged from 18.0% in Utah to 28.6% in South Carolina. Hispanic women were the least likely to smoke in the 3 months prior to pregnancy and were the most likely to quit smoking prior to pregnancy. Women under age 20 were more than twice as likely to receive WIC food during pregnancy as women aged 35 and over in nearly all states and D.C. The percentage of births resulting from infertility treatment ranged from 0.3% in New Mexico to over 3.5% in Maryland and Utah. The percentage of deliveries covered by Medicaid ranged from 28.8% in North Dakota to 64.2% in Louisiana.