Table 1. Frequency-by-frequency comparison of hearing thresholds throughout the menstrual cycle.

Frequency (I)	Frequency (J)	Mean frequency difference between (I) and (J)	p value
250	6000	4.90 db HL	0.011*
250	8000	5.21 db HL	0.005*
500	3000	4.71 db HL	0.017*
500	4000	4.88 db HL	0.012*

*p < 0.05.