| Table 1. Characterization of patients undergoing ART with OP in relation to previous use of COC. | ||
| Variables | Groups (n) | |
|---|---|---|
| COC n=243 |
Comparator n=108 |
|
| Maternal age (years) (µ±sd) | 38.18±4.49 | 37.98±4.57 |
| Maternal BMI (kg/m2) (µ±sd) | 25.67±3.86 | 25.99±3.25 |
| COC time (years) (µ±sd) | 7.11±5.72 | - |
| Infertility time (years) (µ±sd) | 3.81±2.84 | 2.89±3.4 |
| Paternal age (years) (µ±sd) | 40.42±5.95 | 40.72±7.36 |
| Paternal BMI (kg/m2) (µ±sd) | 28.17±4.39 | 28.31±3.50 |
| Maternal smoking (years/pack) | 12 | 7 |
| Infertility factors n (%) Anovulation Endometriosis Peritoneal tube Uterine Immunological Maternal age (>35 years) Genetic Male idiopathic |
26 (10.70) 29 (11.93) 40 (16.46) 38 (15.64) 12 (4.94) 161 (66.26) 13 (5.35) 113 (46.50) 17 (7.05) |
14 (12.96) 6 (5.56) 13 (12.04) 13 (12.04) 3 (2.78) 65 (60.19) 5 (4.63) 53 (49.07) 9 (8.41) |
COC (combined oral contraceptive); BMI (body mass index).