Effects of a single 20 mg dose of letrozole on ovarian function post dominant follicle selection: an exploratory randomized controlled trial

Table 3 Descriptive statistics for physiologically relevant intervals (mean ± SEM) among experimental groups

Experimental Group	N	Interval from menses to OV	Inter-menstrual interval	Inter-ovulatory interval	Interval from treatment to menses
12 mm	10	16.6 ± 0.5	27.6 ± 1.1	29.5 ± 1.6	19.7 ± 1.3
18 mm	10	16.4 ± 1.1	29.6 ± 1.4	26.9 ± 2.0	16.1 ± 0.6^a
Post OV	10	16.9 ± 0.8	28.0 ± 1.0	23.9 ± 3.0	11.1 ± 0.9^{a, b}
Control	11	17.2 ± 1.0	28.5 ± 1.1	29.0 ± 1.1	NA
P-value		0.9284	0.6551	0.2014	0.0001

All intervals are in days
N = 9 for 18 mm group and N = 10 for control group in inter-ovulatory interval column
^adifference from 12 mm group (P < 0.05)
^bdifference from 18 mm group (P < 0.05)

ISSN: 1757-2215