نتایج جستجو برای: birth type
تعداد نتایج: 1451829 فیلتر نتایج به سال:
بیمه گران همیشه بابت خسارات بیمه نامه های تحت پوشش خود نگران بوده و روش هایی را جستجو می کنند که بتوانند داده های خسارات گذشته را با هدف اتخاذ یک تصمیم بهینه مدل بندی نمایند. در این پژوهش توزیع های فیزتایپ در مدل بندی داده های خسارات معرفی شده که شامل استنباط آماری مربوطه و استفاده از الگوریتم em در برآورد پارامترهای توزیع است. در پایان امکان استفاده از این توزیع در مدل بندی داده های گروه بندی ...
Introduction: One of the most valuable indicators determining the health status of a community is the birth weight of infants. Thus, the purpose of this study was to investigate risk factors affecting low-birth-weight infants born to mothers visiting community health centers in the city of Yazd in Iran. Methods: The present study was a retrospective cohort research on 280 mothers visiting to c...
The study of Prevalence of Low Birth Weight newborns in Hamadan's Maternity hospitals during the first 9 months in 1374.The purpose of this study was to ascertain the prevalence of low birth weight infants in Hamadan. For this reason the whole births during the first 9 months in year 1374 in Hamadan's maternity hospitals was studied and each of LEW infant was Considered as a "Case". Inspite of ...
Background: The aim of this retrospective study is to investigate the cumulative live birth rate (CLBR) following one or more completed in vitro fertilization (IVF) cycles (up to 6 cycles) stratified by maternal age and type of infertility. Materials and Methods: In this retrospective study, five hundred forty-seven women who received 736 fresh ovarian stimulation/embryo transfer cycles between...
conclusions: the increased survival of preterm infants was not associated with lower complications. there is now increasing evidence of sustained adverse outcomes into school age and adolescence, for preterm infants. results: cerebral palsy especially spastic diplegia, intellectual disability, visual (retinopathy of prematurity) and hearing impairments are the main neurodevelopmental disorders ...
objective: to determine the effect of paternal age on preterm births in iranian neonates. materials and methods: from january 2005 to january 2006, two hundred eighty one preterm neonates born in mirza kuchakkhan hospital enrolled in this cross-sectional study. a structured questionnaire was applied for recording following data: birth weight, sex, gestational age, maternal age and paternal age....
in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...
The data set used in this study contained 8793 records of lamb's weight (kg) from 320 sires and 2349 dams collected during 1989 to 2014 from the Lori-Bakhtiari flock at Shooli station in Shahrekord, Iran. Non-genetic factors and genetic parameters (partitioned into autosomal, sex-linked and maternal) of lamb's weight at different ages were estimated using without and with sex-linked genetic eff...
The present study investigated basic statistics for biometric traits as well as non-genetic factors that may affect these traits in the Moghani breed of sheep. The data-set was computed by using biometric records of the Moghani sheep breeding and raising station over a period of 15 years (1996 to 2012). Year of birth, month of birth, birth type and lamb's sex and dam permanent environment were ...
No significantly adverse effects of twinning were observed in either liveweight gain or wool growth rate. Singles and twins were similar in weight and secondary follicle/primary follicle (Sf/Pf) ratio at birth; subsequent Sf/Pf development was not affected by birth-type, and liveweights did not differ at any time. Wool production, measured by mid-side-patch clipping, was not affected by type of...
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