© 2005 by the American Diabetes Association, Inc.
Early Growth in Offspring of Diabetic MothersDiabetes Epidemiology and Clinical Research Section, National Institute of Diabetes and Digestive and Kidney Diseases, Phoenix, Arizona Address correspondence and reprint requests to Leslie Touger, Diabetes Epidemiology and Clinical Research Section, National Institute of Diabetes and Digestive and Kidney Diseases, 1550 E. Indian School Rd., Phoenix, AZ 85014. E-mail: ltouger{at}mail.nih.gov OBJECTIVEBy age 5 years, offspring of diabetic mothers (ODMs) are heavier and have altered glucose metabolism compared with offspring of mothers without diabetes (non-DMs). This study evaluates the growth pattern of ODMs before the age of 5 years. RESEARCH DESIGN AND METHODSAnthropometric measures (z scores) from birth, 1.5 years, and 7.7 years in Pima Indian children were compared by maternal diabetes status. RESULTSAfter adjustment for earlier gestational age at delivery (37.8 vs. 39.3 weeks, P < 0.01), ODMs were heavier at birth (z score birth weight 0.49 vs. 0.04, P < 0.01) than non-DMs. At age 1.5 years, ODMs were shorter than the non-DMs (z score = 0.24 vs. 0.12, P < 0.01) but their weight and relative weight (RW; weight adjusted for age, sex, and length or height) were similar. From birth to 1.5 years, ODMs showed significant "catch down" of weight compared with non-DMs (change in weight z score from birth to 1.5 years of ODMs and non-DMs was 0.56 and 0.12, respectively, P < 0.01). By age 7.7 years, ODMs were heavier (weight z score 0.89 vs. 0.07, P < 0.01) but had similar height as non-DMs. Differences in glucose and insulin concentrations at age 7.7 years were dependent on RW. CONCLUSIONSODMs had a dramatically different growth pattern from that of non-DMs. Gestational ageadjusted birth weight was higher. During the first 1.5 postnatal years, the change in weight z score and attained height were reduced. Subsequently, height caught up to that of non-DMs, while weight gain greatly exceeded that of non-DMs.
Abbreviations: BWT, birth weight CDC, Centers for Disease Control and Prevention HT1.5, early childhood supine length HT7, height at 7 years non-DM, offspring of mother without diabetes ODM, offspring of diabetic mother RW, relative weight WT1.5, early childhood weight WT7, weight at 7 years
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