Fig. 4From: The correlation between raised body mass index and assisted reproductive treatment outcomes: a systematic review and meta-analysis of the evidenceMeta-analysis of miscarriage rate: (a) BMI ≥25 kg/m2 versus BMI < 25 kg/m2; (b) Normal BMI versus BMI 25–29.9 kg/m2; (c) Normal BMI versus BMI ≥30 kg/m2Back to article page