Table 2.

Clinical outcome of embryos from spontaneously and rescued artificially activated oocytes (ROA), respectively

	Spontaneously activated oocytes	ROA oocytes	P value
Single-blastocyst transfer number	425	25
Age at oocyte retrieval	35.7 ± 4.8	36.7 ± 3.9	0.38
Implantation rate, n (% per blastocyst transfer)	176 (41.4%)	9 (36.0%)	0.74
Miscarriage rate, n (% per clinical pregnancy)	36 (20.5%)	4 (44.4%)	0.20
Live birth rate, n (% per blastocyst transfer)	140 (32.9%)	5 (20%)	0.20
Good quality single-blastocyst transfer number	344	17
Implantation rate, n (% per good quality blastocyst transfer)	158 (45.9%)	7 (41.2%)	0.89
Miscarriage rate, n (% per clinical pregnancy)	29 (18.4%)	2 (28.6%)	0.86
Live birth rate, n (% per good quality blastocyst transfer)	129 (37.5%)	5 (29.4%)	0.68