Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
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Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
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Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
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Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
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Introduction Inappropriate cesarean delivery rates have posed a tremendous toll on maternal and neonatal health ( 1 ). China has made plenty of local, regional and national efforts to encourage vaginal delivery ( 2 , 3 ). Although cesarean
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platform [ 16 ], the reference ranges for umbilical cord serum in vaginal deliveries were determined as follows: TSH 2.64–27.32 mIU/L and FT4 10.56–16.01 pmol/L. Those in cesarean deliveries were as follows: TSH 2.32–11.85 mIU/L and FT4 10.95–16.41 pmol
ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
Hospital de Braga, Braga, Portugal
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ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
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ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
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ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
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ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
ACMP5 – Associação Centro de Medicina P5 (P5), School of Medicine, University of Minho, Braga, Portugal
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ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
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ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
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Department of Internal Medicine, Erasmus MC, Rotterdam, the Netherlands
The Generation R Study Group, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
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ICVS/3B’s, PT Government Associate Laboratory, Braga/Guimarães, Portugal
Clinical Academic Center-Braga (2CA-B), Braga, Portugal
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supplementation (since, in most cases, no information was available on the precise start time, iodine supplementation may have started any time during preconception, pregnancy or lactation), gestational age at birth, mode of delivery (caesarean section/vaginal