نتایج جستجو برای: rump length
تعداد نتایج: 307918 فیلتر نتایج به سال:
A quantitative study of the trachea has been made in 452 children with apparently normal tracheas ranging from 28 weeks' gestation to 14 years. In the neonatal period the trachea is funnel shaped with the upper end wider than the lower end. It becomes cylindrical with increasing age. The ratio of cartilage to muscle remains constant throughout childhood. The trachea appears to grow at a greater...
Background: Recent studies have suggested that impaired fetal growth are indicators that may be present in the first trimester. The aim of this study was to investigate the relationship between crown-rump length (CRL) and pregnancy associated plasma protein-A (PAPP-A) measurements in first trimester for low birth weight (LBW).Methods: This prospective cohort study were on 120 pregnant women in ...
OBJECTIVE The objective of this study was to observe the effect of maternal deprivation on somatic growth of wistar rat pups viz. Body weight, nose-rump length, tail length and head length. MATERIALS AND METHOD 5 days old 50 rat pups were studied dividing equally into control and experimental groups. Experimental group (N=25) of rats were maternally deprived 1-4 hours twice daily till the wea...
There are several reports of electron microscopic studies on the epidermis of human fetuses and/or embryos: BREATHNACH and WYLLIE (1965a, 1965b) reported on the ultrastructure of the epidermis in human fetuses 12 and 14 weeks of menstrual age: RIEGEL (1965) in human fetuse 25 to 60mm long in crown-rump length; HASHIMOTO et al. (1966) in human fetuses 12 to 22 weeks of menstrual age, 60 to 180mm...
OBJECTIVES To validate recent guidance changes by establishing the performance of cut-off values for embryo crown-rump length and mean gestational sac diameter to diagnose miscarriage with high levels of certainty. Secondary aims were to examine the influence of gestational age on interpretation of mean gestational sac diameter and crown-rump length values, determine the optimal intervals betwe...
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