Obesity and Infertility: A Metabolic Assessment Strategy to Improve Pregnancy Rate
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background

The metabolic global approach is a multidisciplinary intervention for obese women before undergoing assisted reproductive techniques, with the goal of improving fertility and decreasing adverse pregnancy outcomes. The objective of this study was to evaluate the impact of the metabolic global approach on pregnancy rate.

Methods

This retrospective cohort study included 127 women and was conducted at the Centre hospitalier de l’Université de Montréal fertility center. Eligibility included BMI at initial consultation of ≥30 kg/m2. Fertility treatments were considered when a weight loss of minimum 5% and normal metabolic indices were achieved. The p<0.05 was considered statistically significant.

Results

Median baseline and last clinical assessment BMIs were 38.2 kg/m² and 35.8 kg/m² respectively (p<0.001), representing a median weight loss of 5.1%. At baseline, at least one metabolic parameter was abnormal in 66% of women. Total pregnancy rate was 53%. The majority of women (63%) who achieved pregnancy did so with weight loss and metabolic stabilization alone (11%) or combined with metformin (36%) and/or oral ovulation drugs (16%). Normal vitamin D (p<0.001) and triglyceride levels (p<0.05) as well as lower BMI after weight loss (p<0.05) were associated with an increased relative risk of pregnancy.

Conclusion

Replete vitamin D status, weight loss of 5% and lower BMI as well as normal triglyceride level are significant and independent predictors of pregnancy in obese women presenting to our fertility center. The metabolic global approach is an effective program to detect metabolic abnormalities and improve obese women’s pregnancy rate.

Language:
English
Published:
Journal of Reproduction & Infertility, Volume:21 Issue: 1, Jan-Mar 2020
Pages:
34 to 41
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