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Birth seasonality

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Journal Article
Demography (1967) 4 (2): 673–679.
Published: 01 June 1967
... observadas. Si el esquema presentado tiene posibilidades de generalización, las variaciones estacionales en los nacimientos no pueden ser explicadas por variaciones esiacionales en el coito, Summary Seasonal variation of birth rates has been observed in every population in which it has been studied. Many...
Image
Published: 02 July 2018
Fig. 1 Seasonality in daily birth rate per 100,000 residents, 1931–2010, by census region. Calculations use state-year populations as weights More
Journal Article
Demography (1994) 31 (2): 321–346.
Published: 01 May 1994
...David A. Lam; Jeffrey A. Miron; Ann Riley Abstract This paper develops a model of seasonal fluctuations in fecundability, conceptions, and births. We begin with a model of individual fecundability that combines behavioral and biological components, with particular attention to the roles of coital...
Journal Article
Demography (1979) 16 (1): 103–119.
Published: 01 February 1979
... on fertility can be quite substantial, but that the birth rate when seasonal variation is occurring is approximated well by the birth rate calculated when conception rates are constant at their mean. These results indicate that further documentation of seasonality in conception rates and exploration...
Journal Article
Demography (1983) 20 (4): 541–568.
Published: 01 November 1983
...Kenneth C. Land; David Cantor Abstract This paper applies methods of seasonal ARIMA time series analysis to U. S. monthly birth and death rates for January 1950–December 1978. For model selection, the conventional Box-Jenkins (1970, 1976) diagnostic checks are used in conjunction with some...
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Published: 03 January 2019
Fig. 2 Seasonality of births. Figures are compiled using the 1970–2012 Natality Data from the National Vital Statistics System of the National Center for Health Statistics. The solid connected line shows the average, by month of (child’s) birth, for 17- to 19-year-old mothers. The dashed line More
Journal Article
Demography (1996) 33 (3): 291–305.
Published: 01 August 1996
... that temperature has quantitatively important effects on both seasonal and nonseasonal variation in births. Summer temperature extremes reduce conceptions in the southern United States, explaining a substantial part of the observed seasonal birth pattern. Extreme cold shows no evidence of affecting conceptions...
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Published: 05 December 2019
Fig. 2 Unadjusted monthly GFR. The vertical black line is at November 2013, the first month in which all conceived births would have been affected by the water supply for at least one trimester. This figure does appear to show city-specific seasonality. Given the differences in the demographic More
Journal Article
Demography (1966) 3 (2): 305–318.
Published: 01 June 1966
...Harry M. Rosenberg Summary Birth rates, marriage rates, and death rates computed on a monthly basis have exhibited relatively stable seasonal patterns over a period of years. Elimination of these seasonal fluctuations facilitates the description and interpretation of month-to-month changes...
Journal Article
Demography (1985) 22 (1): 89–100.
Published: 01 February 1985
...Daniel A. Seiver Abstract This paper documents the postwar pattern of seasonality of births, for the United States and its divisions, using a simple time-varying parameter model. Variations over time and over space in seasonality are analyzed. In general, the South exhibits the greatest seasonal...
Journal Article
Demography (1986) 23 (1): 13–30.
Published: 01 February 1986
...Victor Levy Abstract The annual birth cycle in rural Egypt peaks in December and has two distinguishable minima in June and September. This pattern bears a striking inverse resemblance to the seasonal movements of employment and wages. Infant and child mortality and marriage also display stable...
Journal Article
Demography (2018) 55 (4): 1269–1293.
Published: 02 July 2018
...Fig. 1 Seasonality in daily birth rate per 100,000 residents, 1931–2010, by census region. Calculations use state-year populations as weights ...
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Includes: Supplementary data
Journal Article
Demography (2007) 44 (4): 705–728.
Published: 01 November 2007
... Journal of Andrology , 24 ( 5 ), 266 – 71 . 10.1046/j.1365-2605.2001.00297.x Bailey R.C. , Jenike M.R. , Ellison P.T. , Bentley G.R. , Harrigan A.M. , & Peacock N.R. ( 1992 ). The Ecology of Birth Seasonality Among Agriculturalists in Central Africa . Journal...
Journal Article
Demography (2021) 58 (2): 499–526.
Published: 01 April 2021
... risks and isolate their impacts based the timing and duration of exposure. Specifically, we focus on individual-level infant birth weight with attention to local seasonal weather conditions associated with the three most frequently posited potential drivers of adverse health outcomes: disease (malaria...
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Includes: Supplementary data
Journal Article
Demography (1993) 30 (2): 127–142.
Published: 01 May 1993
....” Paper presented at the annual meeting of the American Sociological Association, Pittsburgh. Lam David A. , & Miron Jeffrey A. ( 1991 ). Seasonality of Births in Human Populations . Social Biology , 38 , 51 – 78 . Lesthaeghe, Ronald. 1989. “Beyond Economic Reductionism...
Journal Article
Demography (1984) 21 (4): 501–517.
Published: 01 November 1984
.... ( 1983 ). Background and Characteristics of Undocumented Hispanic Migrants to the United States . Migration Today , 11 , 6 – 13 . Menken J. A. ( 1979 ). Seasonal Migration and Seasonal Variation in Fecundibility: Effects on Birth Rates and Birth Intervals . Demography , 16 , 103 – 120...
Journal Article
Demography (2024) 61 (2): 337–361.
Published: 01 April 2024
... at exposure and the grandson's education, as well as the son's and the grandson's poor late gestational conditions (proxied by season of birth), mediate this relationship. I rule out socioeconomic status, marriage and mortality selection, and cultural or psychological transmission from grandfathers...
FIGURES
Includes: Supplementary data
Image
Published: 01 April 2021
Fig. 2 The relationship between NDVI values (year t – 1) and birth weight according to trimester-specific exposure to the hunger season (year t ) More
Journal Article
Demography (2019) 56 (2): 707–728.
Published: 28 January 2019
... monitoring and analysis by WHO, the Global Nutrition Report, and many other institutions and individual researchers. Second, the availability of DHS surveys for multiple countries allows us to draw comparisons across countries with different agroclimatic seasons, levels of education and birth documentation...
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Includes: Supplementary data
Journal Article
Demography (1990) 27 (3): 397–411.
Published: 01 August 1990
... Sample Survey in Birth Rate , 72–75. Koopmans L. H. ( 1974 ). The Spectral Analysis of Time Series . New York : Academic Press Lam, D. A., & Miron, J. A. (1987). “Seasonality of Births in Historical Populations.” Paper presented at the Annual Meeting of the Population Association...