A Cohort Study for Occupational Stress Induced Early Embryonic Death

April 14, 2014 updated by: Yiming Zhao, Peking University Third Hospital
Occupation stress can be the risk factors of early embryonic death

Study Overview

Study Type

Observational

Enrollment (Actual)

3405

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Sampling Method

Non-Probability Sample

Study Population

pregnant women with job

Description

Inclusion Criteria:

  1. Pregnant women and their spouses in the gynecology clinic patients and wish to create the cards in the hospital;
  2. the gestational age is less than 14 weeks;
  3. pregnant women and their spouses have jobs before treatment.

Exclusion Criteria:

Do not sign the informed consent.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Occupational Stress

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
early embryonic death
Time Frame: 20 weeks
20 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

March 1, 2010

Primary Completion (Actual)

January 1, 2013

Study Completion (Actual)

January 1, 2013

Study Registration Dates

First Submitted

April 14, 2014

First Submitted That Met QC Criteria

April 14, 2014

First Posted (Estimate)

April 16, 2014

Study Record Updates

Last Update Posted (Estimate)

April 16, 2014

Last Update Submitted That Met QC Criteria

April 14, 2014

Last Verified

April 1, 2014

More Information

Terms related to this study

Other Study ID Numbers

  • 54416-01

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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