# Normal Range of TSH and FT4 in Pregnancy

> **NCT04860622** · — · COMPLETED · sponsor: **Sehit Prof. Dr. Ilhan Varank Sancaktepe Training and Research Hospital** · enrollment: 528 (actual)

## Conditions studied

- Hypothyroidism
- Pregnancy Related
- Thyroid
- Dysfunction
- Iodine Deficiency

## Interventions

- **DIAGNOSTIC_TEST:** Serum thyroid function tests

## Key facts

- **NCT ID:** NCT04860622
- **Lead sponsor:** Sehit Prof. Dr. Ilhan Varank Sancaktepe Training and Research Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-04-01
- **Primary completion:** 2021-08-15
- **Final completion:** 2021-09-01
- **Target enrollment:** 528 (ACTUAL)
- **Last updated:** 2021-09-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04860622

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04860622, "Normal Range of TSH and FT4 in Pregnancy". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04860622. Licensed CC0.

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