Lifestyle and Pregnancy: The Clinical Effect of Lifestyle Intervention During Pregnancy in Obese Women (LiP)
Obesity is a serious and increasing health problem in the Western World with about one third of all pregnant women in Denmark being overweight. Among these are more than 11% severe obese.
Obesity in pregnancy is related to higher maternal morbidity and perinatal morbidity and mortality. Observational studies indicate that the rate of pregnancy complications among obese pregnant women can be limited if weight gain during pregnancy is restricted.
Aims of the trial is to study the effects of diet and physical training during pregnancy among Danish obese women. Also to describe the metabolic effects of lifestyle intervention during pregnancy.
360 obese pregnant women with Body Mass Index (BMI) > 30 are randomized to lifestyle intervention group or control group. The intervention is composed of individual dietician counselling and physical training. The physical training includes weekly aerobic exercises in a fitness center and lifestyle coaching in small groups.
Both groups will be examined during pregnancy with extra ultrasound scanning of the fetus, blood pressure, and metabolic markers. All women receive vitamin supplementation to assure sufficient intake.
Gestational Weight Gain
Other: Lifestyle intervention
Behavioral: Physical activity, dietetic counselling
|Study Design:||Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Prevention
|Official Title:||Lifestyle and Pregnancy: The Clinical Effect of Lifestyle Intervention During Pregnancy in Obese Women|
- Cesarean Section [ Time Frame: At delivery ] [ Designated as safety issue: No ]
- Preeclampsia/Pregnancy Induced Hypertension [ Time Frame: Delivery ] [ Designated as safety issue: No ]
- Gestational Diabetes Mellitus [ Time Frame: Delivery ] [ Designated as safety issue: No ]
- Large for Gestational Age [ Time Frame: Delivery ] [ Designated as safety issue: No ]
- Neonatal Intensive Care Unit [ Time Frame: Within 1 month postpartum ] [ Designated as safety issue: No ]
- Gestational Weight Gain [ Time Frame: Gestational week 35 ] [ Designated as safety issue: No ]Weight at gestational week 35 - weight by inclusion
- Metabolic Markers [ Time Frame: Until 6 months post partum ] [ Designated as safety issue: No ]
|Study Start Date:||October 2007|
|Study Completion Date:||October 2010|
|Primary Completion Date:||October 2010 (Final data collection date for primary outcome measure)|
Experimental: Lifestyle intervention
physical activity, dietetic counselling
Other: Lifestyle intervention
Dietician counselling and physical trainingBehavioral: Physical activity, dietetic counselling
The active intervention consisted of two major components: dietary counseling and physical activity. Dietary counseling was performed by trained dieticians on four separate occasions at 15, 20, 28 and 35 weeks gestation.
Energy requirements for each participant were individually estimated according to weight and level of activity during pregnancy. Women in the active intervention group were encouraged to be moderately physically active 30-60 minutes a day.Women in this group also had free full time membership in a fitness center for six months. In the fitness centers they had closed training classes with trained physiotherapists for one hour each week.
|No Intervention: Control||
Repeated measuring of maternal weight gain, blood samples and ultrasound
|Odense University Hospital|
|Odense C, Denmark, DK-5000|
|Principal Investigator:||Christina A. Vinter, Ph.d. Student||Odense University Hospital|