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Table 6 Characteristics and outcomes after IVF/ICSI-ET in the infected group

From: Effect of previous Chlamydia Trachomatis infection on the outcomes of ivf/icsi treatment: a retrospective study

Indexes ≤3 months
(n = 60)
> 3 months
(n = 69)
P
Age (years) 31.35 ± 3.89 30.95 ± 3.82 0.263
BMI (kg/m2) 21.32 ± 2.31 21.01 ± 2.39 0.455
Basal FSH (U/L) 5.48 ± 1.44 5.26 ± 1.34 0.385
Types of infertility (%)    0.061
 Primary infertility 40 (24/60) 56.5 (39/69)  
 Secondary infertility 60(36/60) 43.5 (30/69)  
Endometrial thickness (mm) 11.71 ± 2.21 11.60 ± 2.36 0.789
Approach of Fertilization (%)    0.979
 IVF 68.3 (41/60) 68.1 (47/69)  
 ICSI/IVF + ICSI 31.7 (19/60) 31.9 (22/69)  
Type of embryo transfer (%)    0.053
 TET 48.3 (29/60) 65.2 (45/69)  
 Fresh cycle 51.7 (31/60) 34.8 (24/69)  
Number of transferred embryos (%)    0.767
 1 53.3 (32/60) 50.7 (35/69)  
 2 46.7 (28/60) 49.3 (34/69)  
Transferred embryo stage (%)    0.500
 D3 56.7 (34/60) 50.7 (35/69)  
 D5/6 43.3 (26/60) 49.3 (34/69)  
Good-quality embryo rate (%) 86.7 (284/328) 80.9 (365/451) 0.034*
Blastocyst formation rate (%) 59.9 (240/400) 65.9 (344/522) 0.064
Chemical pregnancy rate (%) 38.3 (23/60) 50.7 (35/69) 0.158
Clinical pregnancy rate (%) 36.7(22/60) 42.0(29/69) 0.534
Premature rupture of membranes (%) 4.5(1/22) 13.6(3/22) 0.600
Abortion rate (%) 22.7(5/22) 20.7(6/29) 1.000
Live birth rate (%) 28.3(17/60) 31.9(22/69) 0.661
Gestational age(w) 37.4 ± 3.5 38.2 ± 2.4 0.417
Premature birth rate (%) 13.6(3/22) 17.9(5/28) 0.988
Birth weight (g) 3082.9 2844.8 0.271
Macrosomia (%) 4.5 (1/22) 3.6(1/28) 1.000
Normal birth weight infant (%) 81.8(18/22) 75.0(21/28) 0.815
Low birth weight infant (%) 13.6(3/22) 10.7(3/28) 1.000
Very low birth weight infant (%) 0(0/22) 10.7(3/28) 0.325
Congenital malformation (%) 4.5(1/22) 0(0/28) 0.440