Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Reduction in body weight |
|
From baseline to 6 weeks postpartum |
|
Secondary |
Gestational weight gain |
|
6 weeks of gestational age to 36 weeks of gestational age |
|
Secondary |
Postpartum weight retention |
|
6 weeks of gestational age to 6 months postpartum |
|
Secondary |
Smoking cessation |
|
Baseline. Prepregnancy: after 1, 2, 3, 6, 9 and 12 months. During pregnancy: at 6,12,20,32,36 and 40 weeks of gestational age. Postpartum: at 6 weeks and at 3, 6, 9 and 12 months. |
|
Secondary |
Biochemical verification of tobacco use |
The amount of carbon monoxice (CO) in exhaled breath will be measured using a CO monitor (piCO Baby Smokerlyzer®, Bedfont, Kent, United Kingdom). Biochemical verification will also be done by measurement of urine cotinine. |
Baseline. Prepregnancy: after 1, 2, 3, 6, 9 and 12 months. During pregnancy: at 6,12,20,32,36 and 40 weeks of gestational age. Postpartum: at 6 weeks and at 3, 6, 9 and 12 months. |
|
Secondary |
Dietary habits |
By a food diary and the three factor eating questionnaire. |
Baseline. Prepregnancy: after 3 and 12 months. During pregnancy: at 6 and 32 weeks of gestational age. Postpartum: 3 and 12 months. |
|
Secondary |
Physical activity habits |
By an accelerometer and the Baecke questionnaire. |
Baseline. Prepregnancy: after 3 and 12 months. During pregnancy: at 6 and 32 weeks of gestational age. Postpartum: 3 and 12 months. |
|
Secondary |
Miscarriage |
|
During pregnancy: at 6, 12 and 20 weeks of gestational age. |
|
Secondary |
Time to pregnancy |
|
From pregnancy wish to first day of last menstruation |
|
Secondary |
Pregnancy complications |
Gestational diabetes mellitus, pregnancy-induced hypertension, preeclampsia. |
At birth |
|
Secondary |
Delivery complications |
Caesarean section, induction of labour, vacuum extraction, postpartum haemorrhage, maternal hospital stay, shoulder dystocia. |
At birth |
|
Secondary |
Vitamin D status |
|
Will be measured at baseline and at 32 weeks of gestational age. |
|
Secondary |
Dysmaturity and macrosomia |
|
At birth |
|
Secondary |
Prematurity |
Birth before 37 weeks of gestational age |
At birth |
|
Secondary |
Fasting glucose level |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
Fasting insulin level |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
Insuline resistance (HOMA-IR) |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
Total cholesterol |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
LDL cholesterol |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
HDL cholesterol |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
Triglycerides |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
Free fatty acids |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
Alkaline phosphatase |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
Gamma-GT |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
ASAT |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
ALAT |
|
Will be measured at baseline; Prepregnancy: after 3 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: 3, 6 and 12 months. |
|
Secondary |
Blood pressure |
|
Will be measured at baseline; Prepregnancy: after 1, 2, 3, 6, 9 and 12 months; During pregnancy: at 6, 12, 20, 32, 36 and 40 weeks of gestational age; Postpartum: at 6 weeks and at 3, 6, 9 and 12 months. |
|
Secondary |
Pulse wave velocity |
|
Will be measured at baseline; Prepregnancy: after 3, 6 and 12 months; During pregnancy: at 6, 20 and 32 weeks of gestational age; Postpartum: at 6 and 12 months. |
|
Secondary |
Fat mass and fatt free mass |
Body composition will be measured using the deuterium dilution method |
Will be measured at baseline, at 32 weeks of gestational age during pregnancy and 6 months postpartum |
|
Secondary |
Fasting glucose level of the child |
|
At birth and 12 months postpartum |
|
Secondary |
Fasting insulin level of the child |
|
At birth and 12 months postpartum |
|
Secondary |
Insulin resistance (HOMA-IR) of the child |
|
At birth and 12 months postpartum |
|
Secondary |
Total cholesterol of the child |
|
At birth and 12 months postpartum |
|
Secondary |
LDL cholesterol of the child |
|
At birth and 12 months postpartum |
|
Secondary |
HDL cholesterol of the child |
|
At birth and 12 months postpartum |
|
Secondary |
Triglycerides of the child |
|
At birth and 12 months postpartum |
|
Secondary |
Free fatty acids of the child |
|
At birth and 12 months postpartum |
|
Secondary |
Tidal volume of the child |
|
Will be measured at 6 weeks and 12 months postpartum |
|
Secondary |
Respiratory rate of the child |
|
Will be measured at 6 weeks and 12 months postpartum |
|
Secondary |
Respiratory system resistance of the child |
|
Will be measured at 6 weeks and 12 months postpartum |
|
Secondary |
Respiratory system reactance of the child |
|
Will be measured at 6 weeks and 12 months postpartum |
|
Secondary |
Endothelial vasodilatation of the child: Percentage change between baseline and maximum perfusion acetylcholine |
|
Will be measured at 6 weeks and 3 and 12 months postpartum |
|
Secondary |
Endothelial vasodilatation of the child: Percentage change between baseline and maximum perfusion nitroprusside |
|
Will be measured at 6 weeks and 3 and 12 months postpartum |
|