Table 3.

Embryo outcome of the 792 primary infertility and 338 secondary infertility patients.

	Primary infertility		Secondary infertility
Characteristic	IVF	ICSI	IVF	ICSI
Matured oocytes: no.	4752	4947	1976	2067
2PN: no. (%)	2967 (62.4)	3724 (75.3)*	1264 (63.9)	1521 (73.6)*
High-quality embryo: no. (%)	1507 (50.8)	2021 (54.3)*	678 (53.7)	841 (55.3)
Transferred embryo: no.	650	547	328	235
Vitrified embryo: no.	897	1256	330	481
Utilized oocytes: no. (%)	1547 (32.6)	1803 (36.4)*	658 (33.3)	716 (34.6)

Values are presented as number (%).

^*P <0.05 ICSI compared to IVF groups.