Maelstrom Research Staging | 3D_Mothers_Spring

3D_Mothers_Spring_grade1

Networks -

Variables -

Population

3D - Mothers

The population is composed of 8 to 14 weeks pregnant women from the general population between 18 and 47 years of age, who are fluent in French or English, who were attending prenatal clinics (ultrasound, midwife and/or doctor’s clinics) during the first trimester of pregnancy and who plan to deliver in a study hospital.

Selection Criteria

Sex

Women

Minimum age

Maximum age

Pregnant Women

First trimester

Newborns

Twins

Countries

Canada

Ethnic Origin

Health Status

Other Criteria

Exclusion criteria: Multiple pregnancies, intention to donate or bank cord blood, intravenous drug users, or if the woman has any one or more of the following conditions: HIV+ status, renal disease with altered renal function, any collagen vascular disease requiring active treatment (e.g. lupus, scleroderma), epilepsy, cardiovascular disease, serious pulmonary disease, cancer, or severe hematologic disorder.

Supplementary Information about selection criteria

Recruitment

Sources of recruitment

Specific population

Specific Population

Clinic patients

Supplementary Information

Women were recruited between May 25, 2010 and August 30, 2012 at one of nine study centres during routine first-trimester prenatal visits to study hospitals and infertility clinics.

Number of Participants

Number of Participants: 2,456
Number of Participants with Biological Samples: 2,357
Supplementary Information about selection criteria: 3D-Transition study: 939 participants

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Data Collection Event

3D - Mothers - Spring grade 1

Information was collected in cohorts 1, 2 and 3 when children were 5, 4, and 3 years old respectively in September 2016 and in grade 1 in the spring of 2018, 2019 and 2020 respectively as well. Socio-demographics, mental and physical health, resources, parenting style, couple life, family life and lifestyle were assessed through questionnaires. Additional information on stress; social interactions and support; challenges faced in the schooling context including communications between schooling authorities and parents, and support for home schooling was also collected using a COVID-19 survey. A verbal IQ estimate was obtained during the home visit. Head circumference was measured during the home visit.

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Collected Dataset / 3D_Mothers_Spring_grade1

3D_Mothers_Spring_grade1

Population

3D - Mothers

Data Collection Event

3D - Mothers - Spring grade 1

Files

Variables Classifications