Maelstrom Research Staging | OaKBirthCohort_Mothers

OaKBirthCohort_Mothers_PhaseII

Networks -

Variables -

Associated study OaK Birth Cohort Contingency Table

Population

OaK Birth Cohort - Mothers

The population is composed of women who were in weeks 12 to 20 of an expected singleton or twin pregnancy and were receiving prenatal care from a physician or midwife within the study region.

Selection Criteria

Sex

Women

Pregnant Women

First trimester
Second trimester

Newborns

Twins

Countries

Canada

Territory

Ottawa and Kingston

Ethnic Origin

Health Status

Recruitment

Sources of recruitment

General population
Specific population
Participants from existing studies

General Population

Volunteer enrolment

Specific Population

Clinic patients

Supplementary Information

Participants were recruited from the Ottawa Hospital and Kingston General Hospital during prenatal care or ultrasound visits. Posters and brochures in both official languages were also distributed to the offices of obstetricians and family physicians within the study catchment area.

Participants from Existing Studies

Folic Acid in Second Trimester study
Thrombophilia and Intrauterine Growth REStriction Study
Folic Acid Supplementation in Early Second Trimester and Risk of Pre-Eclampsia study

Number of Participants

Number of Participants: 8,085
Number of Participants with Biological Samples: 7,241
Supplementary Information about selection criteria

More info

Data Collection Event

OaK Birth Cohort - Mothers - Phase II

Pregnancy outcomes and delivery data were abstracted from hospital charts upon delivery.

A blood sample was taken.

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Collected Dataset / OaKBirthCohort_Mothers_PhaseII

OaKBirthCohort_Mothers_PhaseII

Population

OaK Birth Cohort - Mothers

Data Collection Event

OaK Birth Cohort - Mothers - Phase II

Files

Variables Classifications