نتایج جستجو برای: gestation length
تعداد نتایج: 334567 فیلتر نتایج به سال:
OBJECTIVE To determine the value of measuring maxillary length at 11-14 weeks of gestation in screening for trisomy 21. METHODS In 970 fetuses ultrasound examination was carried out for measurement of crown-rump length (CRL), nuchal translucency and maxillary length, and to determine if the nasal bone was present or absent, immediately before chorionic villus sampling for karyotyping at 11-14...
OBJECTIVE The association between low birth weight and type 2 diabetes is well established. We studied whether preterm birth carries a similar risk. RESEARCH DESIGN AND METHODS The Helsinki Birth Cohort includes 13,345 men and women born between 1934 and 1944. Of them, 12,813 had adequate data on length of gestation, which we linked with data on special reimbursement for diabetes medication. ...
OBJECTIVE To construct gestation specific standards of birth weight, crown-heel length, and head circumference of Chinese infants. DESIGN A prospective cross sectional population study. METHODS The birth weight, crown-heel length, and head circumference were prospectively measured using standard equipment in newborns delivered at 24-42 weeks gestation in the maternity units of 10 public hos...
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