Balancing Measure | Pre-Intervention Proportion (%) | Post-Intervention Proportion (%) | P-value |
---|---|---|---|
Beta-HCG positive on d3 | 5/294 (1.7%) | 2/107 (1.9%) | 1.00 a |
Ovarian cyst on d3 TVUS | 62/340 (18.2%) | 39/130 (30.0%) | 0.008 b |
Cycle Cancelled | 87/591 (14.7%) | 85/602 (14.1%) | 0.68b |
• Cycle Cancelled on d3 | 8/87 (9.2%) | 5/85 (5.9%) | 0.44b |
Cycle outcome | 0.86 b | ||
• Cancelled | 87/591 (14.7) | 85/602 (14.1) | |
• Not pregnant | 420/591 (71.2) | 428/602 (71.1) | |
• Pregnant/clinical intrauterine gestation | 43/591 (7.3) | 41/602 (6.8) | |
• None recorded | 40/591 (6.8) | 48/602 (8) | |
Reasons for Cycle Cancellation | 0.1b | ||
• Patient withdrawal | 47.1 | 39.3 | |
• Premature or missed ovulation | 14.1 | 33.3 | |
• Low ovarian response | 4.7 | 3.6 | |
• High ovarian response or risk of multiples | 4.7 | 4.8 | |
• Ovarian cyst | 5.9 | 3.6 | |
• Other | 23.5 | 15.5 |