. 2017 Jan-Mar;21(1):11–14. doi: 10.5935/1518-0557.20170004

Table 2.

Embryological and clinical outcome parameters for each group.

Parameters	Group 1	Group 2	Group 3	Group 4	p-value
Parameters	P4i ≤ 1.5 and P4 f ≤ 1.5	P4i ≤ 1.5 and P4 f > 1.5	P4i > 1.5 and P4f ≤ 1.5	P4i > 1.5 and P4 f > 1.5	p-value
Nº Patients	350	51	11	6
Nº Cycles	393	51	11	6
Oocytes retrieved	7.62 ± 4.71^ab	11.47 ± 5.91^a	7.54 ± 5.42^c	18.16 ± 10.36^bc	^abc< 0.05
MII oocytes retrieved	4.85 ± 3.45^a	7.52 ± 4.73^ab	3.90 ± 3.80^b	10.33 ± 7.33	^ab< 0.05
Maturation rate (M2/oocytes retrieved)	63% (1905/2997)^a	65% (384/585)^b	52% (43/83)^ab	57% (62/103)^ab	^ab< 0.03
Fertilization rate	80%	77%	72%	71%	NS
Embryos cleavage rate	99%	99%	99%	98%	NS
Nº embryos transferred	2.14 ± 0.73	2.60 ± 0.77	2.09 ± 0.83	2.50 ± 0.83	NS
Embryos ≥ 8CG1/G2 transf	1.27 ± 0.92^a	1.72 ± 0.96^abc	0.81 ± 0.96^c	1.16 ± 0.98^b	^abc< 0.05
Biochemical pregnancy	40.71% (160/393)^a	33.33% (17/51)^b	27.27 (3/11)	16.66% (1/6)^ab	ab< 0.05
Clinical pregnancy/cycle	38.67 (152/393)^a	33.33% (17/51)^b	27.27% (3/11)	16.66% (1/6)^ab	^ab< 0.05
Implantation rate	23.48% (198/843)^abc	14.28 % (19/133)^ad	13.04% (3/23)^ce	6.66% (1/15)^bde	^acde< 0.05^b< 0.01
Singletons	71.05% (108/152)	88.23% (15/17)	100%	100%
Twins	27.62% (42/152)	11.46% (2/17)	0	0
Triplets	1.13% (2/162)	0	0	0
Ectopic pregnancy	0.65% (1/152)	0	0	0
Abortion	11.84% (18/152)^ab	47.05% (8/17)^a	33.33% (1/3)^b	0	^ab< 0.05
Life Birth rate/cycle	33.84% (133/393)^abc	17.64% (9/51)^a	18.18% (2/11)^c	16.66% (1/6)^b	^abc< 0.05
Stillbirth	1.13% (2/152)	0	0	0