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Metabolic balance study on urine iodine thresold of Chinese pregnant women which sustain the maternal and neonatal normal thyroid function

Metabolic balance study on urine iodine thresold of Chinese pregnant women which sustain the maternal and neonatal normal thyroid function

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-EOC-15007525
Enrollment
Unknown
Registered
2015-12-01
Start date
2015-12-01
Completion date
Unknown
Last updated
2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

urine iodine thresold of pregnant women

Interventions

group with normal thyroid function:none
group with subclinical hypothyrodism:iodine supplement

Sponsors

National Institute for Nutrition and Health,Chinese Center for Disease Control and Prevention
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Euthyroidism or subclinical hypothyrodism; 2. Gestational age<12 weeks; 3. Urine iodine<180ug/L; 4. Signed informed consent.

Exclusion criteria

Exclusion criteria: 1. Autoimmune thyroiditis,atrophic thyroiditis, idiopathic hypothyroidism, etc; 2. Not complete follow-up and sample collection.

Design outcomes

Primary

MeasureTime frame
thyrotropin;Free thyroxine;Thyroid peroxidase antibody;thyroglobulin antibodies;Urine creatine;urine sodium;Urine iodine content;salt iodine content;water iodine content;—

Countries

China

Contacts

Public ContactYang Xiaoguang
xgyangcdc@vip.sina.com+86 10 83132798

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026