Abstracts of the 3 rd REDLARA Northwest Region Meeting, Quito, Ecuador, 8-9 November 2019.

Table 1

Results. Group 1, sperm selection by density gradient and group 2, sperm selection by Z-potential

Clinical Outcomes	Total (%)	Group 1 (%)	Group 2 (%)	pvalue
n of patients	290	149	141	-
n of mature oocytes	2641	1361	1280	-
Fertilization rate (%)	2081 (78.80)	1085 (79.7)	996 (77.81)	NS
Blastocyst development (%)	979 (47.04)	484 (44.60)	495 (49.70)	NS
n of transferred embryos	550	283	267	-
Positive β-hCG (%)	180 (62.06)	90 (60.40)	90 (63.83)	NS
Clinical pregnancy rate (%)	152 (52.41)	75 (50.34)	77 (54.61)	NS
Implantation rate (%)	206 (37.45)	97 (34.28)	109 (40.82)	NS

	Overall Clinical Pregnancy Rate	Percentage of Embryo Transfer with SET policy	Clinical Pregnancy in SET	Clinical Pregnancy in DET
2013	62%	16%a	42%	63%
2014	63%	23%a	45%	63%
2015	61%	17%a	40%	64%
2016	64%	22%a	54%	66%
2017	65%	40%b	52%	72%
2018	61%	43%b	53%	68%

a,b (p<0.05)

Table 1

Characteristics of patients according to their BMI

	Normal	Overweight	Obesity
Patients	57	82	35
BMI (Mean ± SD)	22.6±1.57	27.3±1.37 *	33.1±3.01 *, **
Female age (years) (Mean ± SD)	33.9±3.34	33.8±3.79	33.3±3.55
Stimulation days (Mean ± SD)	8.9±1.09	9.0±1.26	9.1±1.05
rFSH (U/L) (Mean ± SD)	1683.5±451.08	1902.1±396.39 *	2175.1±363.64 *, **

p<0.05 in relation to normal group

p<0.05 in relation to overweight group

Table 2

Comparison of laboratory results between the study groups

BMI	Normal	Overweight	Obesity
Oocytes	403	593	269
Fertilized oocytes (%)	353 (87.6)	506 (85.3)	228 (84.8)
Cleaved embryo Day 3 (%)	343 (97.2)	504 (99.6)	225 (98.7)
No. cell/embryo Day 3 (Mean ± SD)	7.3±0.75	7.0±0.81 *	6.9±1.04 *
Good-quality embryos Day 3 (%)	83.7	84.9	79.1
Blastocyst formation rate (%)	47.8	42.9 *	42.7 *
Good-quality blastocysts (%)	90.2	88.9	90.6
Embryo transferred  (Mean ± SD)	104 (1.86±0.38)	155 (1.89±0.31)	66 (1.89±0.32)
Gestational sacs	59	56	19
Implantation rate (%)	56.7	36.1 *	28.8 *, **
No. oocytes / gestational sac	6.8	10.6 *	14.2 *, **
Miscarriage (%)	10.2	8.9	10.5

p<0.05 in relation to normal group

p<0.05 in relation to overweight group

Table 1

Descriptive values and standard deviations for the three analyzed parameters

PARAMETERS	FS	POST DGT	POST PZT
SPERM CONCENTRATION	79.5473±5.95	33.473±2.94	13.4189±1.411
SPERM MOTILITY	52.1892±2.33	94.6622±0.01	96.0676±1.1132
SPERM FRAGMENTATION	17.3378±0.003	7.2973±0.002	2.6892±0.001

Table 1

Bacteria identified in the culture

	Name	Percentage
Gram Negative Bacilli	Escherichia coli	49.10%
	Proteus mirabilis	24.60%
	Proteus vulgaris	1.80%
Gram-Positive cocci	Staphylococus saprophyticus	12.30%
	Staphylococus epidermidis	8.80%
	Staphylococus aureus	3.50%

Table 2

Distribution of the bacterial type based on the patient's age

	Patient Age Ranges
Bacterial type	20-29 years	30-39 years	40-49 years
Escherichia coli	4	20	4
Proteus mirabilis	0	11	3
Proteus vulgaris	0	1	0
Staphylococus saprophyticus	0	6	1
Staphylococus epidermidis	0	3	2
Staphylococus aureus	0	2	0