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Glossary
Pages 115-118

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From page 115...
... Abruptio placenta: Premature detachment of the placenta from the uterus prior to delivery, which if unheated leads to fetal death, hemorrhage, and blood clotting. Age-spec~c fertility rates: The number of live births occurring during a specified period per 1,000 women within a specific age group.
From page 116...
... Intrauterine growth retardation: Poor growth of a fetus in the uterus, resulting in low birthweight. Lactational amenorrhea: Absence of menses following birth and associated with breastfeeding.
From page 117...
... Perinatal mortality: The combination of fetal deaths occurring after 28 weeks of gestation and infant deaths occurring at less than 1 week of life. Placenta previa: A placenta that develops in the lower uterus so that it covers or adjoins the cervical opening of the uterus, resulting in massive, fatal hemorrhage at the time of delivery unless a cesarian section is performed.
From page 118...
... The total fertility rate is a hypothetical measure, since age-specific fertility rates change from year to year. Unobserved heterogeneity: The exclusion of relevant explanatory variables from a statistical model because they are not available to the analyst (either unobserved or unobservable)


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