Fig. 2.

Forest plot of studies examining the effect of the early follicular and the luteal phases of the menstrual cycle on $\dot{\text{V}}$O_2max in physically active women. Mean difference represents $\dot{\text{V}}$O_2max assessed in ml/kg/min. Note: Vaiksaar et al. [41]distinguished between competitive cyclic athletes (a) and recreationally trained cyclic athletes (b).