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Fig. 2 | BMC Public Health

Fig. 2

From: Association between metabolic healthy obesity and female infertility: the national health and nutrition examination survey, 2013–2020

Fig. 2

Restricted cubic spline model of the association of BMI/WC and infertility among the metabolic healthy and unhealthy group. Note: A: Metabolic healthy group using BMI criteria. B: Metabolic unhealthy group using BMI criteria. C: Metabolic healthy group using WC criteria. D: Metabolic unhealthy group using WC criteria. The red curve and the pink area represent the odds ratio and 95% confidence interval, respectively. The black horizontal dashed line indicates the odds ratio = 1. The black vertical dashed line indicates the reference, which equals to medium BMI/WC of each group

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BMC Public Health

ISSN: 1471-2458

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