Dietary Habits, Gestational Diabetes, Gestational Weight Gain, Obesity
Conditions
Brief summary
The aim of this rct -study is to explore the effect of a dietary intervention for overweight (body maas index BMI≥25) and obese (BMI≥30) pregnant women on gestational weight gain and the prevalence of gestational diabetes.
Detailed description
Pregnant women are recruited for the study from 18 maternity care clinics in Northern Savo and Northern Karelia area. The participants will be randomized into intervention and control groups. All the participants will have access to the study web-pages, which includes written material of healthy diet during pregnancy as well as all the study material (4 day food records, Three factor eating questionnaire (TFEQ R-18) and Binge Eating Scale (BES)). In addition, intervention group will get two virtual dietary counseling sessions by a dietician. The information on participants' gestational weight gain and the result of oral glucose tolerance tests will be collected by the public health nurses after birth.
Interventions
BEHAVIORALDietary intervention
Written material on healthy diet during pregnancy and 2 virtual dietary counseling sessions.
Sponsors
University of Eastern Finland
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE
Intervention model description
Intervention group and control group.
Eligibility
Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
Yes
Inclusion criteria
* BMI 25 or higher * healthy, no chronic medical conditions that can prevent participating to the study * singleton pregnancy * first trimester of pregnancy at the time of recruitment
Exclusion criteria
* BMI less than 25 * chronic medical conditions * multiple pregnancy * pregnancy at second or third trimester at the time of recruitment
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Gestational weight gain (GWG) | immediately after the intervention | gestational weight gain (from pre-pregnancy weight until childbirth), measured at maternity care clinic. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Gestational diabetes mellitus (GDM) | immediately after the intervention | GDM is measured by the result of an oral glucose tolerance test (OGTT) |
| Eating habits I | During the intervention up to gestational weeks 36-37 | eating habits are measured by 4 day food records |
| Eating habits II | During the intervention up to gestational weeks 37-42 | Eating habits are measured by TFEQ R-18 questionnaire |
| Eating habits III | During the intervention up to gestational weeks 37-42 | Eating habits are measured by Binge Eating Scale (BES) |
Countries
Finland
Outcome results
None listed