Fig. 1. Frequency distribution for the change in progesterone (P) levels from follicular (F) to luteal (L) phases of the menstrual cycle phase in La Paz women (N=30). A positive value signifies an increase in P from the F to L phase.
Fig. 1. Frequency distribution for the change in progesterone (P) levels from follicular (F) to luteal (L) phases of the menstrual cycle phase in La Paz women (N=30). A positive value signifies an increase in P from the F to L phase.