Registry Study for Pregnant Women With Iodine Overload

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

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Recruitment Status

UNKNOWN

Total Enrollment

195 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-04-01

Study Completion Date

2020-06-01

Brief Summary

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Pre-gestational performance of hysterosalpingography (HSG) using an oil-soluble iodinated contrast medium has been demonstrated to be the main cause of excessive iodine exposure for pregnant women. However, its long-term health effects on the mothers and offsprings have not been adequately elucidated. A case registry study is designed to follow up all the pregnant women with pre-gestational history of ethiodized-oil HSG examination and try to keep track of maternal and fetal outcomes.

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Detailed Description

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Conditions

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Iodine Overload in Pregnancy

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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Pregnant women with pre-gestational HSG history

All enrolled pregnant women with pre-gestational ethiodized-oil HSG will be followed up without grouping and be kept track for maternal and offspring's health outcomes in this case registry study.

dietary iodine restriction on subjects with iodine overload

Intervention Type OTHER

In this case registry study (observational study),all intervention will be performed not for research purposes, but only part of routine treatment, which will be recorded in database of the registry study.

Interventions

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dietary iodine restriction on subjects with iodine overload

In this case registry study (observational study),all intervention will be performed not for research purposes, but only part of routine treatment, which will be recorded in database of the registry study.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

Must be pregnant when enrolled in this study. Must have undergone examination of ethiodized-oil HSG before this pregnancy. Clinical diagnosis of iodine excess (with the mean urine iodine concentration ≥250μg/L and the serum iodine concentration \>92μg/L).

Exclusion Criteria

Having past history of partial or total resection of thyroid glands. Having medical history of thyroid dysfunction before ethiodized-oil HSG examination.

Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No