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Screening and Intervention for iodine deficiency, iron deficiency and subclinical thyroid insufficiency in women planning pregnancy and in early pregnant women

Screening and Intervention for iodine deficiency, iron deficiency and subclinical thyroid insufficiency in women planning pregnancy and in early pregnant women

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-TRC-13003805
Enrollment
Unknown
Registered
2013-08-19
Start date
2013-12-01
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

Iodine deficiency, iron deficiency and subclinical thyroid deficiency

Interventions

A: interventional group of mild ID in pregnancy :iodine supplement
B: control group of mild ID in pregnancy :None
C: control group with adequate iodine in pregnancy :None
D:interventional group of mild ID before pregnancy :iodine supplement
E:control group of mild ID before pregnancy :None
F:control group of adequate iodine before pregnancy:None
G:control women of TPOAb+ in pregnancy:None
H:treatment group of TPOAb+ pregnant women:levothyroxine
I:control women of TPOAb+ before pregnancy:None
J:treatment group of TPOAb+ women before pregnanc:levothyroxine
K:control group of hypothyroxinemia in pregnancy:None
L:treatment group of hypothyroxinemia in pregnancy:levothyroxine
M:control group of hypothyroxinemia before pregnancy :None

Sponsors

1st affiliated hospital of China medical university
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
22 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1. Pregnant women before the 8th gestational weeks (or women planning pregnancy); 2. Living in the region more than 5 years; 3. Singleton pregnancies (not including miscarriage); 4. No personal history and family history of known genetic diseases; 5. No personal history of severe chronic diseases 6 No smoking history; 6. Including the women intaking iodine or iron (or vitamine including iodine and iron).

Exclusion criteria

Exclusion criteria: 1. Women having chronic renal failure (serum creatinine> 133µmol/L), abnormal liver function (ALT > 1.5 times of upper limit of normal range), hypercalcemia (serum calcium > 2.75mmol/L), or hyperphosphatemia (serum phosphate > 1.46mmol/L) with renal rickets patients; 2. Women with untreated adrenal insufficiency, pituitary insufficiency and thyrotoxicosis; 3. Women with acute myocardial infarction, acute myocarditis and acute pancarditis; 4. Women with untreated coronary artery disease, angina, high blood pressure, arrythmia; 5. Women with gastrointestinal disease and allergies; 6. Women with artificial tocolysis and artificial fertilization.

Design outcomes

Primary

MeasureTime frame
thyrotropin;Free thyroxine;Thyroid peroxidase antibody;Urine iodine content;Urine creatine;Pregnant and obstetrical complications;Delivery condition;Neonatal quality;Birth defect of the offspring;neurodevelopmental index;

Secondary

MeasureTime frame
Iodine of hair or nail;Ferritin;

Countries

China

Contacts

Public ContactWeiping Teng

1st affiliated hospital of China medical university

twp@vip.163.com+86 24 83283294

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 20, 2026