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Fertile Period

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Journal Article
Demography (2001) 38 (1): 17–28.
Published: 01 February 2001
... TFR(t) neither represents any real cohort experiences from the past nor forecasts any future trend. It merely provides an improved reading of the period fertility measure, which reduces the tempo distortion. 14 1 2011 © Population Association of America 2001 2001 Birth Order Annual...
Journal Article
Demography (2004) 41 (4): 801–819.
Published: 01 November 2004
...Robert Schoen Abstract Low fertility levels and later childbearing in many developed countries have reinvigorated the debate between period and cohort perspectives on fertility and on the meaningfulness of the period total fertility rate (TFR). Here, fertility-timing effects are defined as level...
Journal Article
Demography (2017) 54 (4): 1353–1373.
Published: 05 July 2017
... and to determine whether this effect differs by gender, period, and country. Quantity-quality trade-off Fertility and education Cross-country comparison Instrumental variables Heterogeneous effects © Population Association of America 2017 2017 22 5 2017 5 7 2017 ...
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Includes: Supplementary data
Journal Article
Demography (1976) 13 (1): 1–17.
Published: 01 February 1976
... and in a particular case it is conceptually analogous to the total fertility by birth order but free from the influence of the parity distribution. Fertility of American women for the period 1935–1968 was studied by use of such lifetime probabilities. It appears that the trend of fertility of high birth orders has...
Journal Article
Demography (1975) 12 (1): 143–153.
Published: 01 February 1975
...Che-Fu Lee; Kuang-Hua Lin Abstract A model of cohort fertility pattern by duration of marriage is built on the parameters of conceptive risk, its decline along parity, and the length of the nonsusceptible period. The model is found to fit satis-factorily a variety of cohort fertility patterns...
Journal Article
Demography (2022) 59 (3): 877–894.
Published: 01 June 2022
...Robert Schoen Abstract From a population perspective, the trajectories of both the total fertility at successive time periods and the total fertility of successive birth cohorts are derived from the same array of age-specific fertility rates. This analysis uses the assumption of constant age...
FIGURES | View All (4)
Includes: Supplementary data
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Published: 01 June 2022
Fig. 2 Period and cohort total fertility under cubic fertility trajectories More
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Published: 28 January 2020
Fig. 6 Estimating historical fertility. bTFR estimates of period fertility rates in four European countries using HMD historical age-sex and child mortality data. Shaded regions represent 90% posterior probability intervals; open circles are observed TFRs from the HFD; vertical dashed lines More
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Published: 01 June 2022
Fig. 3 Observed period and cohort total fertility and estimated total fertility, United States, 1917–2019 More
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Published: 28 January 2016
Fig. 2 Period completed fertility, ethnicity—weighted. Gray shading indicates the confidence envelopes defined by the 0.025 to 0.975 quantiles of the weighted pairs bootstrap as defined in the text More
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Published: 19 September 2014
Fig. 4 Selected period fertility age schedules in Holland, optimal fitted schedules from the period- and cohort-shift models, and the observed schedule More
Journal Article
Demography (2008) 45 (2): 439–460.
Published: 01 May 2008
... leads to earlier births at young ages, consistent with these women being less likely to contracept effectively. In addition, as the subgroup of college-educated, unmarried women nears the end of their fertile periods, highly risk-tolerant women are likely to delay childbearing relative to their more...
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Published: 20 June 2012
Fig. 4 Total marital fertility rates at age 20 by social class and 10-year period in the Netherlands, 1860–1939. The data are from the HSN Data Set Life Courses Release 2010.01. The data used for this figure include mothers of RPs whose fertility history is left-censored More
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Published: 28 December 2011
Fig. 1 Age-specific fertility rates for men by data source: 1991–2000 period (ratio of rates r   =  .805*). Significant differences between the survey estimate and the population estimate at any given age are indicated by hollow circles ( p   <  .05; two-tailed test). * p   <  .05 (two More
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Published: 28 December 2011
Fig. 2 Age-specific fertility rates for NSFG men: 1991–2000 period. The line in each graph corresponds to the rate estimated for the population using multivariate imputation by chained equations. Significant differences between the survey estimate and the population estimate at any given age More
Journal Article
Demography (2023) 60 (4): 1163–1179.
Published: 01 August 2023
... indication of an STI or STI symptoms was coded as yes (vs. no indication). Our third measure assessed whether the respondent reported correct knowledge of the fertile period during an ovulatory cycle (yes or no), as this knowledge could be used to optimize the chance of pregnancy in each cycle ( Capotosto...
FIGURES
Includes: Supplementary data
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Published: 01 June 2022
Fig. 1 Period and cohort age-specific birth rates with parabolic period rates and linear fertility change over time More
Journal Article
Demography (2011) 48 (3): 1059–1080.
Published: 22 June 2011
...Emilio A. Parrado Abstract In this article, I demonstrate that the apparently much higher fertility of Hispanic/Mexican women in the United States is almost exclusively the product of period estimates obtained for immigrant women and that period measures of immigrant fertility suffer from three...
FIGURES | View All (7)
Journal Article
Demography (1967) 4 (2): 453–463.
Published: 01 June 1967
.... This article deals with some methodological issues which center around these problems. 24 1 2011 © Population Association of America 1967 1967 Married Woman Birth Interval Fertility Problem Birth Spacing Fertile Period References 1 Aguirre , Alfredo ( 1965 ). Programs en...
Journal Article
Demography (1994) 31 (2): 321–346.
Published: 01 May 1994
... . ( 1988 ). Asheville, North Carolina : U.S. Department of Commerce . Potter R.G. ( 1961 ). Length of the Fertile Period . Milbank Memorial Fund Quarterly , 39 ( 1 ), 132 – 62 . 10.2307/3348639 Potter R.G. , & Millman S.R. ( 1985 ). Fecundability and the Frequency...