Table 1.

Outcome of ICSI after IVF failure in case-subjects

Case subjects	Survival rate of spermatozoa 24 hours after IVF	Number of spermatozoa bounded to the ZP 24 hours after IVF	tACE expression	ICSI rank	Fertilization rate in ICSI	ICSI results
1	40–60%	5	Too weak for interpretation	1	82%	Biochemical pregnancy
2	>60%	0	+	1	89%	Pregnancy loss
				2	92%	Baby: girl
				3	34%	Implantation failure
3	>60%	1 à 5	+	1	100%	Implantation failure
				2	66%	Implantation failure
				3	50%	Biochemical pregnancy
				4	0%	Fertilization failure
4	>60%	2 à 4	−	1	57%	Baby boy
5	>60%	0 à 5	−	1	100%	Baby boy
6	40–60%	2 à 5	−	1	77%	Baby boy
7	>60%	0 à 10	+	1	87%	Baby boy
8	>60%	1 à 3	+	1	0%	Fertilization failure
9	40–60%	0	+	1	75%	Baby girl
10	>60%	5	+	1	43%	Implantation failure