title: [Iodine nutritional status of pregnant, lactating women and children in Linxia Region of Gansu Province].
abstract: With a staged random cluster sampling method, 55 pregnant women, 75 lactating women, 83 3-5 year-old children and 68 neonates were selected from Linxia Region of Gansu Province. The median value of urinary iodine was in pregnant women, lactating women, 3-5 year-old children, and infants was 295.0, 232.0, 192.5 and 374.5 micrograms/L respectively, and the percentage of urinary iodine below 100 micrograms/L was 6.1%, 16.1%, 21.7% and 6.8% respectively. The thyroid volume at the 97th percentile for pregnant and lactating women was 24.81 and 24.26 ml. The concentration of serum T3 for pregnant women, lactating women and 3-5-year-old children, were 87.3%, 78.7%, 80.0%, T4 were 63.7%, 98.7% and 83.1%, and TSH were 77.3%, 81.2%, 65.9% of normal value respectively. TSH of umbilical blood higher than 5 mIU/L was 18.8%. The iodine nutrition status of the population in Linxia Region was improved greatly, but iodine deficiency has not been eliminated completely.
authors.affiliation: Institute of Nutrition and Food Hygiene, Chinese Academy of Preventive Medicine, Beijing 100050, China.
authors.forename: Lei
authors.initials: L
authors.lastname: Shi
authors.forename: Yuan
authors.initials: Y
authors.lastname: Tian
authors.forename: Jianhua
authors.initials: J
authors.lastname: Piao
authors.forename: Jie
authors.initials: J
authors.lastname: Xu
mesh_terms: D000328:Adult; D002675:Child, Preschool; D002681:China; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000517:prevention & control*; D007231:Infant, Newborn; D007455:Iodine / Q000172:deficiency* / Q000652:urine; D007774:Lactation / Q000378:metabolism*; D008297:Male; D008403:Mass Screening; D009752:Nutritional Status; D011247:Pregnancy / Q000378:metabolism*; D013972:Thyrotropin / Q000097:blood; D013974:Thyroxine / Q000097:blood; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine; D013972:Thyrotropin; D007455:Iodine; D013974:Thyroxine