What proportion of birth weight is attributable to maternal glucose among infants of diabetic women? 2006

David A Sacks, and Amy I Liu, and Girma Wolde-Tsadik, and Saeid B Amini, and Larraine Huston-Presley, and Patrick M Catalano
Department of Obstetrics and Gynecology, Kaiser Foundation Hospital, Bellflower, CA, USA.

OBJECTIVE This study was undertaken to determine the proportion of birth weight attributable to glucose concentrations of diabetic mothers. METHODS Data of diabetic women who used insulin were eligible for analysis if the women had been treated during pregnancy for at least 12 weeks, and had recorded at least 50% of 4 daily glucose checks (fasting and 1-hour postprandial) until the last office visit before delivery. The independent association between maternal glucose values and demographics and birth weight percentiles for gestational age and gender were analyzed by multiple regression methods. RESULTS Data of 90 diabetic women were analyzed. Only third-trimester glucose concentrations were associated with birth weight. Prepregnancy body mass index was also selected in the models, including second- and/or third-trimester glucose. Together, these variables explained 18% of the variance in birth weight percentiles. CONCLUSIONS Maternal glycemia during third-trimester and prepregnancy body mass index are independent predictors of birth weight in pregnancies complicated by insulin-requiring gestational or type 2 diabetes.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011254 Pregnancy in Diabetics The state of PREGNANCY in women with DIABETES MELLITUS. This does not include either symptomatic diabetes or GLUCOSE INTOLERANCE induced by pregnancy (DIABETES, GESTATIONAL) which resolves at the end of pregnancy. Pregnancy in Diabetes,Pregnancy in Diabete,Pregnancy in Diabetic
D011263 Pregnancy Trimester, Third The last third of a human PREGNANCY, from the beginning of the 29th through the 42nd completed week (197 to 294 days) of gestation. Pregnancy, Third Trimester,Trimester, Third,Last Trimester,Last Trimesters,Pregnancies, Third Trimester,Pregnancy Trimesters, Third,Third Pregnancy Trimester,Third Pregnancy Trimesters,Third Trimester,Third Trimester Pregnancies,Third Trimester Pregnancy,Third Trimesters,Trimester, Last,Trimesters, Last,Trimesters, Third
D011264 Pregnancy Trimesters The three approximately equal periods of a normal human PREGNANCY. Each trimester is about three months or 13 to 14 weeks in duration depending on the designation of the first day of gestation. Trimesters, Pregnancy,Pregnancy Trimester,Trimester, Pregnancy
D011297 Prenatal Exposure Delayed Effects The consequences of exposing the FETUS in utero to certain factors, such as NUTRITION PHYSIOLOGICAL PHENOMENA; PHYSIOLOGICAL STRESS; DRUGS; RADIATION; and other physical or chemical factors. These consequences are observed later in the offspring after BIRTH. Delayed Effects, Prenatal Exposure,Late Effects, Prenatal Exposure
D001724 Birth Weight The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms. Birthweight,Birth Weights,Birthweights,Weight, Birth,Weights, Birth
D001786 Blood Glucose Glucose in blood. Blood Sugar,Glucose, Blood,Sugar, Blood
D005260 Female Females
D005865 Gestational Age The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated from the onset of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization. It is also estimated to begin from fertilization, estrus, coitus, or artificial insemination. Embryologic Age,Fetal Maturity, Chronologic,Chronologic Fetal Maturity,Fetal Age,Maturity, Chronologic Fetal,Age, Embryologic,Age, Fetal,Age, Gestational,Ages, Embryologic,Ages, Fetal,Ages, Gestational,Embryologic Ages,Fetal Ages,Gestational Ages
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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