Table 2.

Comparison of cancellation reasons between 1-day and 5-day letrozole groups.

Reason for cancellation	1-Day	5-Day	P value
Dominant follicle on wrong side	2	11	.26
Low ovarian response	1	4	1.00
Multifollicular response	0	2	1.00
Premature ovulation	4	4	.20
Premature ovulation	2	0	.08
Low total motile count	1	5	.65
Noncompliance	1	0	.30