Table 1. Cycle characteristics of IVF treatments in the study groups
Non-PGT (N=99) PGT (N=97) p-value
GT ingredient
FSH
FSH+LH
HP HMG

22/26 (84.6%)
1/26 (3.8%)
3/26 (11.5%)

20/30 (71.4%)
4/30 (14.3%)
4/30 (14.3%)
NS
GT dose (units) 1797.63±697.08, 1795 (700-3750) 2338.8±1163.3, 2100 (900-6750) 0.04
Max. endometrial thickness (mm) 10.1±1.8, 9.8 (5.6-15) 9.8±2.1, 9.6 (5.7-15) NS
Number of follicles >14 mm 10.8±4, 10 (5-23) 11.97±5.6, 11 (2-26) NS
Number of retrieved oocytes 11.5±4.2, 11 (5-19) 16.5±8.2, 14 (1-41) <0.01
M2 10±3.7, 9 (4-17) 13.6±7.2, 13 (0-36) 0.01
2PN 6.81±3.5, 6 (1-16) 10.8±6, 10.5 (0-29) <0.01
Fertilization rate (%) 66.8±21.7, 71.4 (25-100) 77.4±16.7, 80.5 (25-100) 0.04
E2 max before OPU (pmol\L) 2493.2±3057, 938 (256-11643) 3353.7±3913.6, 1158 (125-15944) NS
E2 on HCG day (pmol\L) 2878.6±3372.2, 1215 (126-18350) 2144.8±2031, 1427 (7-9784) NS
P on HCG day (nmol\L) 66.5±41.3, 48 (2.3->127) 67.6±42.3, 54.7 (1.5-190) NS
Blastocyst grade
Good
Fair
Poor

42/82 (51.2%)
39/82 (47.2%)
1/82 (1.2%)

60/93 (64.5%)
28/93 (30.1%)
5/93 (5.3%)
0.03
Mild OHSS 0 4/97 (4.1%) NS
Hormonal support
PV progesterone
PO progesterone
IM progesterone
Mixed progesterone
Other

54 (54.5%)
5 (5.1%)
9 (9.1%)
4 (4%)
22 (22.2%)

60 (61.9%)
10 (10.3%)
9 (9.3%)
5 (5.2%)
10 (10.3%)
NS

Note: Mean±SD, median (range) is shown for continuous variables, and percentages are shown for dichotomous variables.
E2 = estradiol, FSH = follicle stimulating hormone, GT =gonadotropin, HCG = human chorionic gonadotropin, HP HMG = highly purified human menopausal gonadotropin, IM = intramuscular, LH = luteinizing hormone, M2 = metaphase 2, NS = not significant, OHSS = ovarian hyperstimulation syndrome, OPU = ovum pick-up, P = progesterone, PN = pronuclei, PO = oral, PV = vaginal.