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. Author manuscript; available in PMC: 2010 Jun 25.
Published in final edited form as: Biol Reprod. 2004 Jun 9;71(4):1195–1201. doi: 10.1095/biolreprod.104.031054

TABLE 1.

Number of follicles during interovulatory intervals, number of intervals with major anovulatory follicular waves and minor waves, and number of ovulatory waves with follicles of various types.a

End point Mares Women Probability
Interovulatory intervals
 Length (days) 20.9 ± 0.5 27.4 ± 0.5 <0.001
 Follicles (number) 9.0 ± 0.7 6.8 ± 0.2 <0.03
Major waves (number of IOIs)
 Ovulatory 30 30
 Anovulatory 6/30 (20%) 9/30 (30%) NS
Minor waves (number of IOIs) 29/30 (97%) 17/30 (57%) <0.0002
Follicle types in ovulatory wave (number of waves)
 Largest subordinate follicle 27/30 (90%) 25/30 (83%) NS
 Second-largest subordinate follicle 14/27 (52%) 9/25 (36%) NS
 Predeviation follicle 10/27 (37%) 12/25 (48%) NS
 Early regressing follicles 9/27 (33%) 9/25 (36%) NS
 Late regressing follicles 8/27 (30%) 2/25 (8%) <0.05
 Double dominant follicles 6/30 (20%) 0/30 (0%) <0.02
a

IOI, Interovulatory interval; NS, not significant.