File:USA triplet birth rate.jpg
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Figure 10. Triplet/+ birth rates for mothers 25 years of age and older: United States, 1980, 1990, 1998, and 2006.
The rate of triplet and higher order multiple births (triplet/+) declined 5 percent in 2006, to 153.3 per 100,000 total births, from 161.8 in 2005. The triplet/+ rate (the number of triplets, quadruplets, and quintuplets and other higher order multiples per 100,000 live births) climbed more than 400 per cent during the 1980s and 1990s, but has declined 21 percent since the all-time high in 1998 (193.5). Declines of 20 to 30 percent are observed in triplet/+ birth rates for women in age groups 25 years and over since 1998; see Figure 10.
SOURCE: CDC/NCHS, National Vital Statistics System.
NOTE: Singleton births only.
Martin JA, Hamilton BE, Sutton PD, Ventura SJ, et al. Births: Final data for 2006. National vital statistics reports; vol 57 no 7. Hyattsville, MD: National Center for Health Statistics. 2009.
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| Gwalagizhi | Nyangagi | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:03, 9 April 2010 | | 502 × 515 (50 KB) | S8600021 (talk | contribs) | Figure 10. Triplet/+ birth rates for mothers 25 years of age and older: United States, 1980, 1990, 1998, and 2006. The rate of triplet and higher order multiple births (triplet/+) declined 5 percent in 2006, to 153.3 per 100,000 total births, from 161.8 |
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