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Table 2 Balancing measures and clinical outcomes pre- and post-intervention calculated by Fischer exact testa and Chi-square testb

From: Reducing day 3 baseline monitoring bloodwork and ultrasound for patients undergoing timed intercourse and intrauterine insemination treatment cycles

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