Assessing Last Menstrual Period Date Data Quality on California Birth Records
نویسندگان
چکیده
منابع مشابه
Epidemiology of pregnancies with unknown last menstrual period
the Epidemiology of normal pregnancies with unknown last menstrual period (LMP) was studied in 1192 singleton pregnancies.the LMP was unknown in 240(20.3%) pregnancies.unknown LMP is associated with high rates of low birth weight and all low socio-economic and socio-demographic status.such characteristics are also associated with a high rate of preterm deliveries.any possible bias introduced i...
متن کاملVariation between last-menstrual-period and clinical estimates of gestational age in vital records.
An accurate assessment of gestational age is vital to population-based research and surveillance in maternal and infant health. However, the quality of gestational age measurements derived from birth certificates has been in question. Using the 2002 US public-use natality file, the authors examined the agreement between estimates of gestational age based on the last menstrual period (LMP) and c...
متن کاملValidity of pre and post-term birth rates based on the date of last menstrual period compared to early obstetric ultrasonography.
The aim of this study was to assess the validity of the last menstrual period (LMP) estimate in determining pre and post-term birth rates, in a prenatal cohort from two Brazilian cities, São Luís and Ribeirão Preto. Pregnant women with a single fetus and less than 20 weeks' gestation by obstetric ultrasonography who received prenatal care in 2010 and 2011 were included. The LMP was obtained on ...
متن کاملComparison of gestational age at birth based on last menstrual period and ultrasound during the first trimester.
Reported last menstrual period (LMP) is commonly used to estimate gestational age (GA) but may be unreliable. Ultrasound in the first trimester is generally considered a highly accurate method of pregnancy dating. The authors compared first trimester report of LMP and first trimester ultrasound for estimating GA at birth and examined whether disagreement between estimates varied by maternal and...
متن کاملPractice of Epidemiology Variation between Last-Menstrual-Period and Clinical Estimates of Gestational Age in Vital Records
An accurate assessment of gestational age is vital to population-based research and surveillance in maternal and infant health. However, the quality of gestational age measurements derived from birth certificates has been in question. Using the 2002 US public-use natality file, the authors examined the agreement between estimates of gestational age based on the last menstrual period (LMP) and c...
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ژورنال
عنوان ژورنال: American Journal of Epidemiology
سال: 2006
ISSN: 1476-6256,0002-9262
DOI: 10.1093/aje/163.suppl_11.s50-a