نتایج جستجو برای: multiple births
تعداد نتایج: 772313 فیلتر نتایج به سال:
This paper provides a general formulation of the regression discontinuity (RD) design and shows its general applicability to many epidemiological problems. It then applies the RD method to estimate the effects of the 1995 pill scare in the UK, using individual birth records and aggregate monthly statistics. The results show that, following the announcement of the health warning on the “third ge...
objective of the present study was to determine calving parameters in eighteen large dairy herds of holstein friesian in tabriz. data analysis showed that the mean gestations length were 276.69 ± 6.29, 279.54 ± 8.55 and 271.38 ± 7.34 days in multipara cows and twining pregnancy respectively. percent of premature birth were 24.14% in twining (28 cases out of in 116 births), 9.61% in heifers (114...
BACKGROUND There is a need to have uniformed reporting of perinatal mortality for births following assisted reproductive technology (ART) treatment to enable international comparison and benchmarking of ART practice. METHODS The Australian and New Zealand Assisted Reproduction Database was used in this study. Births of ≥ 20 weeks gestation and/or ≥ 400 grams of birth weight following embryos ...
Holoprosencephaly (HPE) is a rare congenital brain malformation associated with multiple midline facial defects. This anomaly is resulted from the failure of diverticulation and cleavage of primitive prosencephalon during weeks 4-8 of gestation. HPE is the most common forebrain developmental anomaly in human with the incidence rate of 0.49-1.2 cases per 10,000-20,000 term births. In this study,...
Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary disorder (estimated prevalence of 1 per 1000–1 2500 live births)1 characterized by development and growth multiple bilateral cysts eventually leading to end-stage renal replacement therapy.1
Aim To describe the birth prevalence, temporal trends, and clinical outcomes of twins, triplets, or quadruplets with cerebral palsy (CP). Method This was a cross-sectional study using data for prenatally perinatally acquired CP pooled from Surveillance Cerebral Palsy in Europe network (born 1992–2009) Australian Register 1993–2009). Children were at least 4 years old time registration. born reg...
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