نتایج جستجو برای: birth interval
تعداد نتایج: 314386 فیلتر نتایج به سال:
to have an, idea about the relation between the length of birth interval and lactation, and birth control program this study have been done. the material for such analysis was nomad women's fertility history that was in their reproductive period (15-44). the material itself was gathered through a health survey. the main sample was composed of 2,165 qualified women, of whom 49 due to previous or...
background: in recent years, the study of birth intervals has been a main determinant of the levels of fertility in the populations, as it is associated with rates of fertility and population growth. objective: the purpose of this study was to firstly apply survival analysis for modeling of first birth interval and secondly to explore its determinants. materials and methods: in a cross sectiona...
Background & Aim: Fertility is the most important factors affecting population fluctuations. Reproductive behaviors of a community can be studied through different methods. One of the methods is the evaluation of the interval between marriage and the birth of the first child. The aim of this study was to investigate the factors influencing the interval between marriage and first birth using the...
Since determination of factors influencieng childbearing delay can provide convenient approaches to prevent fertility decline, nowadays studying this issue is an important issue for demographers and it is also emphasized by planners and politicians. The aim of this study is to evaluate factors influencing first birth interval among 458, young Iranian married women in Tehran province. In this cr...
Background and Objectives: One of the most important determinants of the fertility level is the birth interval. Considering the importance of this issue, the aim of this study was to analyze the first and second birth intervals using shared frailty survival model and comparing factors affecting these intervals. Methods: Probability proportional to size stratified sampling was used to select...
Background & Aim: Reproductive behavior of a society can be studied in different ways. One of these ways is to check the birth intervals. The aim of the present study was to assess the childbirth along with factors influencing childbirth behavioral patterns in Ahwaz . Methods & Materials: In this study , factors affecting birth intervals of women aged 15-49 were investigated . To achieve...
Background & Objectives: Although several studies have been carried out for evaluation of the first birth interval, none of them has considered the presence of infertile women within the sample. Therefore, the aim of this study was to employ survival analysis to study the first birth interval and its determinant factors more accurately. Methods: In Data from 1068 married women of reproductive ...
هدف: این مطالعه به منظور بررسی ارتباط وزن کم هنگام تولد نوزاد و فاصله بین بارداری های مادر در مراجعه کنندگان به بیمارستان های تابع دانشگاه آزاد اسلامی در طی سالهای 1390-1389 انجام شده است. روش مطالعه: در این مطالعه توصیفی – تحلیلی مقطعی 146 نوزاد متولد شده در بیمارستانهای تابع دانشگاه آزاد اسلامی در طی سال های1390-1389 بررسی شدند که ارتباط وزن نوزادان در یک ساعت نخست بعد از تولد با فاصله بین ب...
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