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Gestational Length

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Journal Article
Demography (2003) 40 (4): 701–725.
Published: 01 November 2003
... Gestation Length References Adams M. ( 2001 ). Validity of Birth Certificate Data for the Outcome of the Previous Pregnancy, Georgia, 1980-1995 . American Journal of Epidemiology , 154 , 883 – 88 . 10.1093/aje/154.10.883 Avchen R.N. , Scott K.G. , & Mason C.A...
Journal Article
Demography (1970) 7 (3): 325–327.
Published: 01 August 1970
... 1970 York City Gestational Length Mount Sinai Hospital Comparable Period York City Depart References New York Times , November 10, 1965. Tolchin, Martin. “Births Up Nine Months After Blackout,” New York Times , August 10, 1966, p. 1. Vital Statistics of the U. S. 1965 Vol. I...
Journal Article
Demography (1975) 12 (1): 129–141.
Published: 01 February 1975
... are being made to relax its assumptions and to extend its substantive scope. One example is Das Gupta's (1973) formulation making postpartum anovulation dependent on gestation length as well as upon nursing behavior and survivorship of last child. Another example is Nour and Wegman's (1973) treatment which...
Journal Article
Demography (1992) 29 (2): 305–318.
Published: 01 May 1992
... include both short and long gestations, whereas very short birth intervals cannot include many long gestations. In this analysis we estimate the degree to which prior estimates of the effect of interval length on infant and child mortality are contaminated by failure to control for the confounding effects...
Journal Article
Demography (2020) 57 (1): 99–121.
Published: 29 January 2020
... cesarean rate in the United States, 1991–2002 . American Journal of Public Health , 96 , 867 – 872 . 10.2105/AJPH.2004.052381 Donahue S. M. , Kleinman K. P. , Gillman M. W. , & Oken E. ( 2010 ). Trends in birth weight and gestational length among singleton term births...
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Journal Article
Demography (1999) 36 (3): 327–337.
Published: 01 August 1999
.... , & Monson , R. ( 1993 ). Predictors of Human Gestational Length . American Journal of Obstetrics and Gynecology , 168 , 480 – 84 . Modvig , J. , Schmidt , L. , & Damsgaard , M. ( 1990 ). Measurement of Total Risk of Spontaneous Abortion: The Virtue of Conditional Risk...
Journal Article
Demography (2018) 55 (1): 319–340.
Published: 17 January 2018
... the impact of maternal anxiety on the birth outcome of the in utero child. Animal experiments and small-sample human studies have shown that maternal stress is negatively correlated with intrauterine growth and gestational length (de Catanzaro and Macniven 1992 ; Mulder et al. 2002 ; Wadhwa et al. 2001...
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Journal Article
Demography (1987) 24 (1): 43–60.
Published: 01 February 1987
... implicit in most studies, that all live births occur after nine months of gestation, artificially biases the length of previous birth intervals of preterm babies 43 44 DEMOGRAPHY, volume 24, number 1, February 1987 (who are, apriori, at higher risk of dying) downward, creating a spurious relationship...
Journal Article
Demography (2014) 51 (4): 1357–1379.
Published: 01 July 2014
... countries (see Table  A.1 in Online Resource 1). To compare the health of marital children born to marginal and average marriages, we use data provided in the Austrian Birth Register on the gestation length, birth weight, APGAR scores, and sex of the first marital child. 22 These are the most common...
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Journal Article
Demography (2020) 57 (4): 1459–1481.
Published: 08 June 2020
... birth outcomes, restricted intrauterine growth and shortened gestational length (Aizer et al. 2016 ; de Catanzaro and Macniven 1992 ; Mulder et al. 2002 ; Wadhwa et al. 1993 , 2001 , 2004 ). Further, recent and consistent findings have connected birth outcomes to later-life human capital...
Includes: Supplementary data
Journal Article
Demography (2000) 37 (3): 285–298.
Published: 01 August 2000
...; we did not study the factors that determine the ab- solute levels of birth weight, length of gestation, and birth length. A decomposition of the variation within groups can be made on the basis of the model depicted in Figure 1. The genetic component involves many different loci on the chro- mosomes...
Journal Article
Demography (2018) 55 (4): 1269–1293.
Published: 02 July 2018
... the time of conception. Assuming a 40-week gestational length, any immediate impact on conceptions should manifest approximately 260–270 days (i.e., eight or nine calendar months) later because most fertile days fall between 10 and 20 days after the start of the menses (Fehring et al. 2006 ; Wilcox et al...
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Journal Article
Demography (1990) 27 (2): 251–265.
Published: 01 May 1990
..., parturition, and extended breastfeeding (Jelliffe 1966). Under such conditions, an inhospitable intrauterine environment exists for the subsequent pregnancy, increasing the likelihood of poor repro- ductive outcomes such as intrauterine growth retardation, low birth weight, and reduced length of gestation...
Journal Article
Demography (1998) 35 (4): 519–527.
Published: 01 November 1998
... 1997: 1279). Fortunately, the completeness and accuracy of gesta- tional age reporting have improved in recent years (along with methods of imputation) and "(t)he wide and even dis- persion of gestational length based on women's reports" supports the validity of DLNM in calculations of gestational age...
Journal Article
Demography (2011) 48 (4): 1473–1491.
Published: 26 August 2011
... by Glynn et al. ( 2001 ) exploited the 1994 Northridge, California, earthquake and found an association between early pregnancy exposure and reduced gestational length. With a sample of only 40 women and no controls for trends among unexposed women, however, the evidence is only suggestive. Other studies...
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Journal Article
Demography (2014) 51 (5): 1775–1796.
Published: 05 September 2014
... month of the third trimester. A child born in September 1974 would have experienced the famine for the full month of August 1974. Assuming an average gestation length of 38 weeks (266 days), a child born in December 1975 would have experienced the famine for at least one full month of the third...
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Journal Article
Demography (1993) 30 (3): 489–506.
Published: 01 August 1993
.... noninstitutional population of women age 15-44. Personal interviews were conducted between January and August 1988. One focus of the interview was the collection of a pregnancy history, which asks each respondent about the outcome, the date of outcome, and the gestation length in weeks of each of her pregnancies...
Journal Article
Demography (2000) 37 (4): 489–498.
Published: 01 November 2000
... reported as having gestational ages lower than their true length of gestation. MODELS OF BIRTH OUTCOMES AND INFANT MORTALITY 495 ous association between birth outcomes and infant mortal- ity. We recognize that such conventional typologies (includ- ing the simple distinction of low versus normal birth...
Journal Article
Demography (1996) 33 (4): 469–481.
Published: 01 November 1996
... Dating in Term, Preterm, and Postterm Gestations . Journal of the American Medical Association , 260 , 3306 – 3308 . 10.1001/jama.260.22.3306 Kramer M.S. , McLean F.H. , Olivier M. , Willis D.M. , & Usher R.H. ( 1989 ). Body Proportionality and Head and Length...
Journal Article
Demography (2022) 59 (5): 1873–1909.
Published: 01 October 2022
... in certain states regardless of child spending. We also estimate models over a shorter time period (2011 – 2017, after the Great Recession). In addition, we repeat analyses when excluding state – year observations with high missing rates for gestational length or maternal education in NVSS data. Finally, we...
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Includes: Supplementary data