Obesity and overweight are among the problems that produce infertility. The combination of diet and exercise to achieve weight loss are currently considered an effective intervention for the improvement of reproductive parameters in overweight or obese infertile women. Aim: to evaluate the effectiveness of an online program to promote a healthy lifestyle among women who are overweight or obese who also have a diagnosis of infertility and are on the waiting list for in vitro fertilisation treatment
Weight management problems (being obese or overweight) are among the problems that produce infertility. The combination of diet and exercise to achieve weight loss are currently considered an effective intervention for the improvement of reproductive parameters in overweight or obese infertile women. Aim: to evaluate the effectiveness of a 3-month internet-based program focusing on the promotion of healthy lifestyles (especially weight loss and healthy eating and physical exercise habits) in women who also have a diagnosis of infertility and are on the waiting list for IVF treatment. Design: randomised controlled trial Setting: Hospital La Plana (Villarreal)
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
A 3-month internet-based program focusing on the promotion of healthy lifestyles. The treatment protocol comprises 9 modules which incorporate psychological strategies to promote healthy lifestyles by gradually changing eating and physical activity habits.
Hospital La Plana de Villarreal
Castellon, Castellón, Spain
Spontaneous clinical pregnancy rate
The primary outcome will be the spontaneous clinical pregnancy rate (pregnancy with ultrasound visualisation of the gestational sac at week 7 of pregnancy) and evolution (pregnancy with ultrasound visualisation of the gestational sac and a heartbeat after 20 weeks of gestation).
Time frame: 12 months
Body mass index (BMI)
Weight (in kilograms) and height (in meters) will be combined to report BMI in kg/m\^2.
Time frame: 12 months
Abdominal perimeter
It will be measured with a tape-measure at the level of the navel (without compressing the skin tissue) and after drawing in air following one deep inhalation and exhalation.
Time frame: 12 months
Mediterranean Diet Adherence
Mediterranean Diet Adherence Screener (MEDAS) questionnaire used in the PREDIMED trial. This questionnaire has been validated for the Spanish population and assesses adherence to the Mediterranean diet.
Time frame: 12 months
Physical activity level
This is a self-administered questionnaire comprising 7 items which collects information about the physical activity the surveyee has completed in 7 days prior to completing the test. The IPAQ-SF will be used to calculate the total number of minutes and days the person has engaged in physical activity by adding all physical activity category scores from the prior 7 days together. This data will be converted into metabolic equivalent of task minutes per week (MET-min/week), using the formula published by Ainsworth et al., to classify their physical activity levels as 'high' (\> 1,500 MET-min/week), 'moderate' (600-1,500 MET-min/week), or 'low' (\< 600 MET-min/week).
Time frame: 12 months
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