نتایج جستجو برای: dystocia
تعداد نتایج: 1095 فیلتر نتایج به سال:
Introduction Obstetrical emergencies are a high-risk yet infrequent occurrence in the emergency department. While U.S. emergency medicine (EM) residency graduates are required to perform 10 low-risk normal spontaneous vaginal deliveries, little is known about how residencies prepare residents to manage obstetrical emergencies. We sought to profile the current obstetrical training curricula thro...
The aim of this study was to quantify gap junction expression in the human myometrium in relation to progesterone and oestradiol concentrations, and to establish whether oxytocin-resistant dystocia is due to an abnormality in gap junction expression. Three groups of patients were investigated: (i) before labour (at term), (ii) normal labour and (iii) oxytocin-resistant dystocia (eight patients ...
Risk factors for high herd level calf morbidity risk from birth to weaning in beef herds in the USA.
We analyzed data from a national survey of beef cow-calf producers in the USA to quantify the effects of hypothesized risk factors on herd-level calf morbidity risk from birth to weaning. The analysis included 2490 herds from 23 states. Two stepwise logistic regressions were fit to identify factors associated with ≥10% morbidity. The first model included all herds dichotomized into high-morb...
Pup mortality is considered a significant problem in the dog. The present study aimed to evaluate the incidence of neonatal loss in eutocic and dystocic canine deliveries and also the influence of various obstetrical interventions and course of labor on the neonatal viability in dystocic dogs and in animals subjected to elective cesarean. Also, the study aimed to determine the random blood gluc...
Economic values for calving performance in first and later parities were estimated for the Piemontese cattle. Calving performance is a threshold trait usually recorded using a scoring system with categories corresponding to the rate of difficulty. In the Piemontese breed five categories were adopted (from unassisted to foetotomy). A normal underlying distribution with thresholds corresponding t...
The objective of this study was to explore the effect dam body conformations on birth traits including stillbirth, dystocia, gestation length and weight Chinese Holstein calves provide a reference for improving cow reproductive performance. We collected phenotype data 20 conformation cows analyzed impact trait linear scores calf weight. feet angle, set rear legs, fore udder attachment height da...
BACKGROUND The use of synthetic oxytocin for augmentation of labor is rapidly increasing worldwide. Hyper-stimulation is the most significant side effect, which may cause fetal distress and operative delivery. We performed an intervention consisting of an educational program and modified guidelines to achieve a more appropriate use of oxytocin. METHODS This prospective intervention study incl...
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