The Establish of Specific Reference Ranges for Thyroid Tests in Pregnant Women

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

UNKNOWN

Total Enrollment

1000 participants

Study Classification

OBSERVATIONAL

Study Start Date

2016-12-31

Study Completion Date

2020-12-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

A descriptive analysis involving 300 healthy pregnant women to the establish of trimester-specific reference ranges for thyroid tests in pregnant women. 700 cases were selected as the normal pregnant population to establish a self-sequential longitudinal reference range.

Related Clinical Trials

Explore similar clinical trials based on study characteristics and research focus.

Gestational Age Specific Thyroid Function Reference Range

NCT03663517

Thyroid Reference Values Pregnancy

COMPLETED

Maternal Thyroid Function in Early Pregnancy and Their Relationship With Gestational Diabetes Mellitus

NCT02555332

Pregnancy Thyroid Function Tests Gestational Diabetes Mellitus

COMPLETED

The Prevalence and Risk Factors for Thyroid Dysfunction in Pregnant Women in Taiwan

NCT04936698

Thyroid Disease Pregnancy

UNKNOWN

Normal Range of TSH and FT4 in Pregnancy

NCT04860622

Hypothyroidism Pregnancy Related Thyroid +2 more

COMPLETED

Correlation Between Levothyroxine and Blood Th17/Treg in Pregnant Women With Normal-high TSH and Positive TPOAb

NCT06527859

TERMINATED

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

A descriptive analysis involving 300 healthy pregnant women according NACB to the establish of trimester-specific reference ranges for thyroid tests in pregnant women. According to the selection criteria, 700 cases were selected as the normal pregnant population to establish a self-sequential longitudinal reference range. The aim of this study to monitor the change of thyroid function and antibody during the course of pregnancy in those who suffer from various thyroid disorders and normal control.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Diseases Pregnancy Thyroid

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Healthy pregnant women

A descriptive analysis involving 300 healthy pregnant women according NACB to the establish of trimester-specific reference ranges for thyroid tests in pregnant women.

No interventions assigned to this group

Normal pregnant population

According to the selection criteria, 700 cases were selected as the normal pregnant population to establish a self-sequential longitudinal reference range. The aim of this study to monitor the change of thyroid function and antibody during the course of pregnancy in those who suffer from various thyroid disorders and normal control.

No interventions assigned to this group

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

1. The people who lived in the city more than five years, aged between 19 and 45, or the single pregnancy women who registered or checked in Peking University international hospital would be enrolled.
2. The pregnancy confirmed by the ultrasound or blood HCG test.
3. In order to build a pregnancy reference range of normal pregnant women who must meet the NACB standard.

Exclusion Criteria

1. The history of thyroid disorders.
2. Goiter.
3. Oral contraceptives or any drugs affected the function of thyroid.
4. With other chronic autoimmune disease, malignant tumor, blood disease, etc
5. Twin pregnancies and multiple pregnancies

Minimum Eligible Age

19 Years

Maximum Eligible Age

45 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes