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Journal Article
The end of rapid increase in the use of oral anovulants? Some problems in the interpretation of time series of oral use among married women
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Demography (1970) 7 (1): 31–41.
Published: 01 February 1970
...John D. Allingham; T. R. Balakrishnan; John F. Kantner Abstract Several problems in the interpretation of time series of oral anovulant usage are discussed, among them the shifting marriage-duration distribution over time. Standardization fails to negate the conclusion that the rate of increase...
View articletitled, The end of rapid increase in the use of oral <span class="search-highlight">anovulants</span>? Some problems in the interpretation of time series of oral use among married women
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for article titled, The end of rapid increase in the use of oral <span class="search-highlight">anovulants</span>? Some problems in the interpretation of time series of oral use among married women
Journal Article
Some Effects of Spouse Separation on Fertility
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Demography (1982) 19 (1): 79–95.
Published: 01 February 1982
... separation, births averted increases disproportionately with longer separation. For a given length of separation, births prevented are more sensitive to change in length of anovulation than to change in level ofnatural fecundability or risk of spontaneous abortion. In addition, by means...
Journal Article
The contraceptive potential of early versus delayed insertion of the intrauterine device
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Demography (1971) 8 (4): 507–517.
Published: 01 November 1971
...Robert G. Potter; G. Stephan Masnick Abstract One argument for a postpartum program of contraception is minimizing chances that the mother will conceive again before she can accept contraception. However early insertion increases the extent of overlap between retention of the device and anovulation...
Journal Article
Postamenorrheic versus postpartum strategies of contraception
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Demography (1973) 10 (1): 99–112.
Published: 01 February 1973
... anovulation when protection is not needed. In contrast, the postamenorrheic strategy of delaying insertion until right after the woman’s first menses all but removes overlap with anovulation but allows a chance of conception before start of contraception because sometimes an ovulation precedes the first...
Journal Article
Fertility effect of seasonal migration and seasonal variation in fecundability: Test of a useful approximation under more general conditions
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Demography (1979) 16 (3): 475–479.
Published: 01 August 1979
... x (one month up to eight months annually), probability of fetal loss a (.1 to .3), fecundability p(.05 up to .25), and length of the non susceptible period of pregnancy and postpartum anovulation associated with a live birth m (12 to 21 months). By implication the finding ap- plies to mean birth...
View articletitled, Fertility effect of seasonal migration and seasonal variation in fecundability: Test of a useful approximation under more general conditions
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for article titled, Fertility effect of seasonal migration and seasonal variation in fecundability: Test of a useful approximation under more general conditions
Journal Article
Distributions of Postpartum Amenorrhea: Some New Evidence
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Demography (1987) 24 (3): 413–430.
Published: 01 August 1987
... , R. G. , & Kobrin , F. C. ( 1981 ). Distributions of amenorrhea and anovulation . Population Studies , 35 , 85 – 94 . 10.2307/2174836 Potter , R. G. , Wyon , J. B. , Parker , M. , & Gordon , J. G. ( 1965 ). A case study of birth interval dynamics...
Journal Article
Abortion and family building models: Fertility limitation in Hungary
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Demography (1976) 13 (4): 495–505.
Published: 01 November 1976
... on contraception, and, on the basis of this comparison, a judgment is made about the quality of abortion data for Hungary. 26 1 2011 © Population Association of America 1976 1976 Family Planning Married Woman Abortion Rate Anovulation Model Cohort References Acsadi , George...
Journal Article
Competition Between Spontaneous and Induced Abortion
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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
Repeat abortion
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Demography (1976) 13 (1): 65–82.
Published: 01 February 1976
... as the greater its frequency per preg- nancy initiated. Finally, postmiscarriage or postabortum anovulation by subtract- ing from the number of fecundable months lessens the frequency of preg- nancy and therefore repeat abortion. Usually its extent is too small to make it more than a secondary factor. MODEL...
Journal Article
Contraceptive practice required to meet a prescribed crude birth rate target: a proposed macro-model (tabrap) and hypothetical illustrations
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Demography (1975) 12 (3): 471–489.
Published: 01 August 1975
...-specific attrition rates of users; a potential fertility schedule of acceptors that allows for aging and sterility; and allowances both for postpartum anovulation and nine months for gestation to time properly the averted births. TABRAP generates annual data on acceptors, couple-years of use, births...
View articletitled, Contraceptive practice required to meet a prescribed crude birth rate target: a proposed macro-model (tabrap) and hypothetical illustrations
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for article titled, Contraceptive practice required to meet a prescribed crude birth rate target: a proposed macro-model (tabrap) and hypothetical illustrations
Journal Article
Parity patterns of birth interval distribution
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Demography (1976) 13 (1): 45–64.
Published: 01 February 1976
... the following three components: 1) the a constant period {3 = .75 year (9 postpartum anovulation after the last live months). If the postpartum anovulation birth, 2) the time elapsed until the con- for a group of women after the (k - 1) th ception of the next live birth, and 3) the birth distributes normally...
Journal Article
The impact of postpartum redundant use of contraception on contraceptive failure rates
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Demography (1996) 33 (1): 24–34.
Published: 01 February 1996
... in Family Planning , 16 ( 6 ), 293 – 301 . 10.2307/1967051 Millman, S. 1984. “Redundant Protection: Contraceptive Use During Postpartum Anovulation.” Prepared for the IUSSP/WFS Seminar on Integrating Proximate Determinants into Analysis of Fertility Levels and Trends, London. Millman S...
Journal Article
A vital statistics-based procedure for estimating conception rates
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Demography (1977) 14 (2): 223–238.
Published: 01 May 1977
... in California in 1971 practiced prolonged breast-feeding. Therefore, w is estimated as the usual gestation for a term pregnancy of ten cycles plus two cycles of postpartum anovulation; w = 12 (Perez et al., 1971). The mean length of the sterile interval associated with an induced or spontane- ous abortion...
Journal Article
A method for the estimation of fecundability
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Demography (1975) 12 (4): 645–660.
Published: 01 November 1975
... of assumptions and on data inputs which may not be avail- able, e.g., the duration of the postpartum anovulation period. The lack of reliable estimates for physiological parameters, such as the duration of the fertile life- times of sperm and ovum, constitutes the principal weakness of method 1. Methods 2 and 3...
Journal Article
Ethnic variations in observance and rationale for postpartum sexual abstinence in malawi
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Demography (2001) 38 (4): 467–479.
Published: 01 November 2001
... anovulation increases proportionally with the intensity and overall duration of breast-feeding; this effect lasts for about 60 to 70% of the breast-feeding period, and up to about two years for very long breast-feeding durations (Bongaarts and Potter 1983; Corsini 1979). POSTPARTUM SEXUAL ABSTINENCE IN MALAWI...
Journal Article
A Multistate Model of Fecundability and Sterility
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Demography (1994) 31 (3): 403–426.
Published: 01 August 1994
... is readily reversible; obvious instances include lactational anovulation and inadequate 406 Demography, Vol. 31, No.3, August 1994 luteal function associated, for example, with anorexia nervosa or endurance exercise (Pirke, Wuttke, and Schweiger 1989). Many of the same conditions also can induce partial...
Journal Article
Are births underreported in rural China? Manipulation of statistical records in response to China’s population policies
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Demography (2000) 37 (1): 109–126.
Published: 01 February 2000
... FIRST BIRTHS, BY MONTH SINCE MARRIAGE Male Female Month Since Marriage 11 13 15 17 19 21 23 25 27 29 319 1.5 2 2.5 3 3.5 4 4.5 5 L o g -O d d s o f F ir st B ir th 6. This allows for the minimum length of postpartum anovulation of 1.5 months or, in the case of intrauterine mortality, two months...
Journal Article
Why are teenagers in the United States less likely to breast-feed than older women?
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Demography (1992) 29 (3): 431–450.
Published: 01 August 1992
... of the infertile period (postpartum anovulation) following a birth. These first births occurred between 1970 and 1985; 2,084, or 70%, occurred during the survey years, 1979-1985. Fifty percent of the teenage births occurred during the survey years, and 93% of the births to mothers in their twenties occurred during...
Journal Article
Conjuring the Ghosts of Missing Children: A Monte Carlo Simulation of Reproductive Restraint in Tokugawa Japan
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Demography (2015) 52 (2): 667–703.
Published: 02 April 2015
... with lactational amenorrhea in sub-Saharan Africa: Results from Demographic and Health Surveys II and III . Journal of Nutrition , 128 , 1672 – 1680 . Potter , R. G. , & Kobrin , F. E. ( 1981 ). Distributions of amenorrhea and anovulation . Population Studies , 35 , 85 – 88 . 10.2307...
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