perinatal complications Unhealthy lifestyle
Conditions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: In order to be eligible to participate in this study, a women must meet all of the following criteria: - Women with a pregnancy wish within 1 year - Aged 18-40 years; - (Preconceptional) overweight/obesity (BMI >= 25 kg/m2).
Exclusion criteria
Exclusion criteria: - Haemodynamically significant heart disease; - Restrictive lung disease; - Congenital metabolic disease; - Mentally retarded; - Bariatric surgery; - Diabetes type II, dependent on medicine.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| - Reduction in body weight: reduction in body weight is measured from baseline, or self-reported body weight in case of inclusion during pregnancy, to 6 weeks postpartum. | — |
Secondary
| Measure | Time frame |
|---|---|
| - Gestational weight gain: defined as weight at the beginning of the pregnancy (at the first appointment with the midwife, approximately at 6 weeks gestational age) to the weight at 36 weeks of gestation. - Postpartum weight retention: defined as weight at the beginning of the pregnancy to the weight 6 months postpartum. - Smoking cessation: measured with questionnaires, is smoking is present at inclusion. - Biochemical verification of tobacco use, if smoking is present at inclusion: the amount of carbon monoxide (CO) in exhaled breath will be measured using a CO monitor. Biochemical verification will also be done by measurement of urine cotinine. - Dietary habits: for several times, women will be asked to fill in a food diary for seven days. Furthermore, the full-length version of the Three Factor Eating Questionnaire (TFEQ) will be used to assess all of the characteristics of dietary restrain. - Physical activity habits: to measure their daily activity, women will be asked to wear an accelerometer for seven full days for several times. The Baecke questionnaire measures work, sport and leisure activities. - Miscarriage: defined as loss of the fetus before the 20th week of pregnancy. - Time to pregnancy. - Vitamin D status: vitamin D insufficiency is defined as a measurement | — |
Countries
Netherlands