Table 2. Embryologic and pregnancy outcomes of PCOS patients categorized by luteinizing hormone levels: upper 50% (7.1-29.0 IU/L) vs. lower 50% (1.0-7.0 IU/L).

Variable	Lower 50% LH, (n=38)	Upper 50% LH, (n=38)	p-value
Number of oocytes collected	26.8±7.4	27.3±9.6	0.82
Number of MII oocytes	19.9±6.8	20.2±7.8	0.88
MII fertilized (%)	75.1±16.2	73.9±18.8	0.78
2PN grew to blastocyst (%)	47.4±23.0	55.0%±27.0	0.18
MII grew to blastocyst (%)	34.9±18.0	39.8±18.8	0.25
Number of embryos frozen	6.9±4.4	8.24±5.1	0.25
Clinical pregnancy no. (%)	13 (34.2)	17 (44.7)	0.35
Miscarriage no/total pregnancies (%)	12/23 (52%)	7/18 (39%)	0.40
Live birth no. (%)	8 (21.0)	12 (31.6)	0.29

Data are presented as mean ± standard deviation, PCOS: Polycystic ovary syndrome, LH: Luteinizing hormone, MII oocytes: Mature oocytes, 2PN: 2 pronuclei stage