Table 1 Distribution of preterm, term, and post-term delivery by last menstrual period in recent studies
Article | Description of study population | Preterm < 37 weeks | Term 37–40 weeks | Late or Post-term > 41 weeks |
|---|---|---|---|---|
Savitz et al. (2002) [14] | Women who attended prenatal care clinics in central North Carolina (n = 3655) | 12% | 76%a | 12% |
Neufeld et al. (2006) [11] | Women from four rural villages in Guatemala (n = 171) | 2% | 96%a | 2% |
Jehan et al. (2010) [1] | Low-to-middle income women in Hyderabad, Pakistan (n = 1128) | 15% | 70% | 15% |
Khambalia et al. (2013) [2] | Women who delivered in the Northern Sydney Central Coast Health Area, Australia (n = 10,243) | 5% | 81% | 14% |
Ambrose et al. (2015) [12] | US residents from 33 states in 2012 (n = 3,944,480) | 11% | 83%a | 6% |
Deputy et al. (2017) [13] | PRECONCEPT trial participants in the Thai Nguyen province of Vietnam (n = 912) | 9% | 88%a | 3% |