| Table 1. Descriptive statistics of patients’ demographics, cycle characteristics, and perinatal outcomes | |||
| Mean | SD | Range | |
| Paternal age (years) | 36.42 | 4.58 | 26-49 |
| Maternal age (years) | 34.08 | 3.27 | 26-40 |
| Maternal BMI (kg/m2) | 24.46 | 3.77 | 17.50-33.58 |
| Main indication (%) | |||
| Male factor | 38.3 | ||
| Ovarian factor | 12.3 | ||
| Tubal factor | 15.3 | ||
| Endometriosis | 14.0 | ||
| PCOS | 7.8 | ||
| Others | 12.3 | ||
| COS outcomes | |||
| Total FSH (IU) | 2406.3 | 525.2 | 1200-3300 |
| Estradiol level at hCG day (pg/mL) | 2395.52 | 1001.69 | 1046-4850 |
| Follicles (n) | 15.80 | 8.00 | 1-38 |
| Retrieved oocytes (n) | 12.45 | 7.21 | 1-33 |
| MII oocytes (n) | 9.19 | 5.48 | 1-28 |
| Laboratorial outcomes | |||
| Embryos (n) | 7.56 | 4.34 | 1-20 |
| Fertilization rate (%) | 84.53 | 16.31 | 13.33-100 |
| High-quality embryos rate at day two (%) | 81.19 | 2.13 | 12.5-100 |
| High-quality embryos rate at day three (%) | 65.02 | 2.43 | 10.0-100 |
| Blastocyst rate (%) | 48.44 | 2.58 | 7.0-100 |
| Transferred embryos (n) | 2.18 | 0.60 | 1-3 |
| Transferred embryo stage (%) | |||
| Cleavage-stage | 22.6 | ||
| Blastocyst | 77.4 | ||
| Clinical outcomes | |||
| Endometrial thickness (mm) | 11.07 | 2.16 | 7.1-17 |
| Gestational sacs (n) | 1.53 | 0.63 | 1-3 |
| Implantation rate (%) | 72.08 | 26.41 | 33.33-100 |
| Gestations (%) | |||
| Singleton | 73.3 | ||
| Twin | 24.4 | ||
| Triplet | 2.3 | ||
| Perinatal outcomes | |||
| Number of infants (n) | 1.48 | 0.60 | 1-3 |
| Gestational weeks to live birth | 36.65 | 2.44 | 27-40 |
| Baby birth weight (g) | 2709.94 | 667.75 | 1040-4215 |
| Baby birth length (cm) | 46.81 | 3.36 | 38-57 |
| Parturition (%) | |||
| Normal | 6.5 | ||
| Caesarean | 93.5 | ||
| Baby sex (%) | |||
| Male | 54.1 | ||
| Female | 45.9 | ||
| Presence of malformations (%) | 0 | ||
| PCOS= Polycystic ovary syndrome, COS= Controlled ovarian stimulation, FSH= Follicle-stimulating hormone | |||