A Retrospective Observational Study for Subclinical Thyroid Disease Diagnosed during Pregnancy (Tottori, Japan)

A Retrospective Observational Study for Subclinical Thyroid Disease Diagnosed during Pregnancy (Tottori, Japan) - SCHP-T

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000027191

Enrollment

600

Registered

2017-05-01

Start date

2017-02-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Subclinical thyroid disease during pregnancy

Interventions

None listed

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Pregnant women who examined serum TSH level in first trimester and observed by the childbirth.

Exclusion criteria

Exclusion criteria: 1) Past medical history of thyroid disease 2) Abortion except for medical reasons 3) Others

Design outcomes

Primary

Measure	Time frame
1. Understanding the pathogenesis of subclinical thyroid diseases in early pregnancy. 2. Clinical outcome of pregnancy and complications associated with subclinical thyroid diseases.	—

Secondary

Measure	Time frame
1) Incidence and clinical significance of subclinical thyroid disease in early pregnancy. 2) Levothyroxine treatment for subclinical hypothyroidism. 3) Reproducibility of serum TSH level in repeated pregnancy.	—

Countries

Japan

Contacts

Public ContactShoichiro Izawa

Tottori University Hospital Endocrinology and Metabolism

s-izawa@med.tottori-u.ac.jp0859-38-6517

Outcome results