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Prevalence of Isolated hypothyroxinemia and urine iodine status during 2nd and 3rd trimester of pregnancy

Prevalence of Isolated hypothyroxinemia and urine iodine status during 2nd and 3rd trimester of pregnancy

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20180129005
Enrollment
Unknown
Registered
2018-01-29
Start date
2014-05-21
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Pregnant wpmen during 2nd and 3 rd trimester Isolated hypothyroxinemia

Interventions

Pregnant women during second or third trimester
Screening
Pregnant women

Sponsors

Siriraj hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Pregnant women in 2nd to 3rd trimester 18 years or older were recuited at Obstetics Outpatient Department

Exclusion criteria

Exclusion criteria: Exclusion criteria include patients with history of thyroid diseases or any other chronic diseases; patients on any medical regimen that may affect thyroid function, such as furosemide, aspirin, heparin, phenytoin, phenobarbital, carbamazepine, glucocorticoid, dopamine, amphetamine, heroine and lithium

Design outcomes

Primary

MeasureTime frame
the prevalence of isolated hypothyroxinemia and iodine deficiency during 2nd and 3rd trimester pregn during 2nd or 3rd trimester of pregnancy FT3, FT4 and TSH during pregnancy—

Secondary

MeasureTime frame
association between isolated hypothyroxinemia and iodine deficiency during 2nd or 3rd trimester of pregnancy Urine iodine level and Free T4 level—

Countries

Thailand

Contacts

Public ContactTada Kunavisarut

Mahidol University

kunavisarut@gmail.com0843878300

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026