Unknown OBSERVATIONAL NCT03754621

Upper Limit for TSH of First and Second Trimester Pregnancy in Turkey

What is the Rational Upper Limit for TSH and T4 During First and Second Trimester Pregnancy in West Black Sea Region of Turkey

Sponsor: Bartin State Hospital

Conditions Hypothyroidism Pregnancy Early Thyroid Thyroid Dysfunction

Interventions Serum thyroid functions tests

Updated 8 times since 2018 Last updated: Apr 21, 2019 Started: Oct 15, 2018 Primary completion: Jul 2, 2019 Completion: Jul 15, 2019

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Hypothyroidism and Pregnancy Early, this trial is ongoing. The trial is conducted by Bartin State Hospital and has accumulated 8 data snapshots since 2018. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

8 versions recorded

Sep 2025 — Present [monthly]

Unknown
Sep 2024 — Sep 2025 [monthly]

Unknown
Jul 2024 — Sep 2024 [monthly]

Unknown

Status: Unknown Status → Unknown
Oct 2021 — Jul 2024 [monthly]

Unknown Status

Status: Recruiting → Unknown Status
Jan 2021 — Oct 2021 [monthly]

Recruiting

▶ Show 3 earlier versions

May 2019 — Jan 2021 [monthly]

Recruiting
Jan 2019 — May 2019 [monthly]

Recruiting
Dec 2018 — Jan 2019 [monthly]

Recruiting

First recorded

Oct 2018

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Bartin State Hospital

Data source: Bartin State Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Bartın, Turkey (Türkiye)