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. 2017 Jul 14;12:32. doi: 10.1186/s13006-017-0123-z

Fig. 3.

Fig. 3

Duration of high-intensity breastfeeding and the HOMA-IR at 12-14 months postpartum. ¶ Group 1: women who met the high-intensity breastfeeding definition only for 6-8 weeks and not at 6 months postpartum. § Group 2: women with high-intensity breastfeeding at 6 months but not at 12 months postpartum. † Group 3: women still engaging in high-intensity breastfeeding at 12 months postpartum Data were presented as the mean ± SD. P values were from Student’s t-test. SD, standard deviation; HOMA-IR, homeostasis model of assessment of insulin resistance