Fig. 2

BAT activity in the follicular and luteal phases. A Changes in supraclavicular and manubrium temperatures before and during cold exposure. B Highest supraclavicular temperature during cold exposure. C Changes in BAT activity before and during cold exposure. D BAT activity AUC. E Maximal BAT activity. Two-way ANOVA analysis and paired Student’s t test were performed. AUC, area under the curve; BAT, brown adipose tissue