NCT03922087

Brief Summary

The Huizhou mother-infant cohort was set up to investigate the effect of dietary factors and environmental exposures during pregnancy on health consequences of mothers and offsprings in Huizhou, China.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
5,216

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Nov 2018

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 20, 2018

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

April 13, 2019

Completed
6 days until next milestone

First Posted

Study publicly available on registry

April 19, 2019

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2022

Completed
1.5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2023

Completed
Last Updated

November 28, 2023

Status Verified

November 1, 2023

Enrollment Period

3.4 years

First QC Date

April 13, 2019

Last Update Submit

November 23, 2023

Conditions

Outcome Measures

Primary Outcomes (4)

  • Number of adverse birth outcomes.

    Including dystocia,stillbirth, fetal macrosomia and child with birth defect.

    At delivery.

  • Children weight changes.

    Weight is measured in kilograms.

    At age of 1 month, 3 months, 6months, 1 year, and 3 year.

  • Children height changes.

    Height is measured in meters.

    At age of 1 month, 3 months, 6months, 1 year, and 3 year.

  • Number of participant with gestational complications.

    Including gestational hypertension and preeclampsia, and gestational diabetes mellitus.

    At delivery.

Secondary Outcomes (2)

  • Maternal weight changes(kg).

    At 20 weeks of gestation, 28 weeks of gestation, the time before labor and 30 days after delivery.

  • Number of participant with postnatal depression.

    At 30 days after delivery.

Study Arms (2)

Control Group

The pregnancy women without any diseases.

Other: No intervention

Disease Group

The pregnancy women with cardio-metabolic and endocrinic disorders such as gestational diabetes, obesity, hypertension, thyroid diseases, anemia and other cardio-metabolic diseases.

Other: No intervention

Interventions

No intervention

Control GroupDisease Group

Eligibility Criteria

Age18 Years - 49 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

Eligible pregnant women will be recruited from Huizhou First Maternal and Child Care Service Center.

You may qualify if:

  • Pregnant women who have plan to delivery and participate in child care in Huizhou hospital;
  • Pregnant women who have resided in Huizhou for at least 3 years;
  • Pregnant women who are consent for specimens and data collection and follow-ups for both mother and infant.

You may not qualify if:

  • Pregnant women who are with gestational age more than 24 weeks ;
  • Pregnant women who refuse to participate or be unwilling to sign informed consent;
  • Pregnant women who are mentally incapacitated and need guardians.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

School of Public Health of Sun Yat-sen University (North Campus)

Guangzhou, Guangdong, 51000, China

Location

Related Publications (2)

  • Liu ZM, Long HH, Li D, Fang AP, Chen CG, Wang C, Li MM, Wu Y, Zhang SJ, Pan WJ. Maternal Serum Iodine Concentrations in Early Pregnancy Exhibited Well Diagnostic Ability for Thyroid Dysfunction, Inverse Associations with Gestational Weight Gain, and Birth Size: Longitudinal Analyses Based on Huizhou Mother-Infant Cohort. Biol Trace Elem Res. 2025 Jul;203(7):3618-3629. doi: 10.1007/s12011-024-04443-7. Epub 2024 Nov 29.

  • Zhang D, Zhang S, Li G, Lai Y, Hao YT, Chen WQ, Wu Y, Chen C, Pan W, Liu ZM. A clinical model and nomogram for early prediction of gestational diabetes based on common maternal demographics and routine clinical parameters. J Obstet Gynaecol Res. 2022 Nov;48(11):2738-2747. doi: 10.1111/jog.15380. Epub 2022 Jul 31.

Biospecimen

Retention: SAMPLES WITHOUT DNA

During pregnancy: maternal vein blood at mid- and last trimester, spot and 12-hr urine and feces at mid-trimester; At delivery: umbilical cord blood, placenta , umbilical cord, mother's milk. Postnatal: mother's vein blood During infancy: meconium. During childhood: Mother's milk and baby's feces.

MeSH Terms

Conditions

Hypertension, Pregnancy-InducedObesityPregnancy ComplicationsDepressionObstetric Labor ComplicationsAsthmaHypersensitivityImmune System DiseasesNeurodevelopmental Disorders

Condition Hierarchy (Ancestors)

Female Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesHypertensionVascular DiseasesCardiovascular DiseasesOverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsBehavioral SymptomsBehaviorBronchial DiseasesRespiratory Tract DiseasesLung Diseases, ObstructiveLung DiseasesRespiratory HypersensitivityHypersensitivity, ImmediateMental Disorders

Study Officials

  • Zhaomin Liu, Doctor

    School of Public Health of Sun Yat-sen University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor in Department of Nutrition and Food Hygiene

Study Record Dates

First Submitted

April 13, 2019

First Posted

April 19, 2019

Study Start

November 20, 2018

Primary Completion

April 1, 2022

Study Completion

September 30, 2023

Last Updated

November 28, 2023

Record last verified: 2023-11

Data Sharing

IPD Sharing
Will not share

Locations