Maelstrom Research Staging | 3D_Mothers

3D_Mothers_Delivery

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

More info

Data Collection Event

3D - Mothers - Delivery and immediate postpartum

Information about environmental exposures (such as use of hair and nail care products, makeup, skincare products, sunscreen and fragrances) and food insecurity was collected through questionnaires.

Blood, maternal hair and placenta samples were also collected.

Details of the delivery and birth outcomes were recorded from the medical chart.

Data on the use of prescription drugs, over-the-counter medications, and nutritional supplements were collected through maternal medication logs.

More info

Collected Dataset / 3D_Mothers_Delivery

3D_Mothers_Delivery

Population

3D - Mothers

Data Collection Event

3D - Mothers - Delivery and immediate postpartum

Files

Variables Classifications