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Large study of singleton pregnancies: conception delay doesn't raise perinatal risk.(Obstetrics)
SALT LAKE CITY -- Delayed time to conception was not associated with an increased risk of preterm delivery, low birth weight, or small size for gestational age, Maureen Hoover said at the annual meeting of the Society for Perinatal and Pediatric Epidemiologic Research.
The results challenge those of some studies suggesting associations between conception delay, small size for gestational age (SGA), and lower birth weight for infants, said Ms. Hoover, a graduate student in epidemiology at the University of North Carolina, Chapel Hill.
The researchers studied the associations between time to pregnancy (TTP) and three perinatal outcomes: preterm birth (less than 37 weeks' gestation), low birth weight (less than 2,500 g), and SGA (birth weight in less than 10th percentile for gestation). Ms. Hoover and her colleagues defined conception delay as conception occurring after more than 6 months of attempts.
Data on 8,465 women who had planned, singleton pregnancies with ...
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- Maternal Estimates of Neonatal Birth Weight in Diabetic Patients.(Statistical...
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...No consensus exists on estimation of birth weight or prediction of fetal macrosomia in...and ultrasonographic estimates of birth weight in diabetic patients. Methods. Diabetic...percentage of estimates within 10% of actual birth weight were determined for the three estimates...
