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Table 4 Relationship between endometrial Preparation and pregnancy outcomes

From: Impact of different endometrial preparation protocols on pregnancy outcomes in patients at high risk for ovarian hyperstimulation syndrome: a propensity score matched retrospective cohort study

Pregnancy outcomes

Endometrial preparation

Adjusted model

OR/β(95% CI)

P value

Live birth rate

HRT

Reference

 
 

NC

1.50 (1.03, 2.19)

0.033

 

OS

2.53 (1.55, 4.14)

< 0.001

 

NC

Reference

 
 

OS

1.04(0.58, 1.87)

0.906

Biochemical pregnancy rate

HRT

Reference

 
 

NC

1.57 (1.03, 2.39)

0.035

 

OS

2.14 (1.22, 3.75)

0.008

 

NC

Reference

 
 

OS

0.87 (0.44, 1.70)

0.678

Clinical pregnancy rate

HRT

Reference

 
 

NC

1.46 (0.98, 2.18)

0.065

 

OS

1.86 (1.10, 3.15)

0.021

 

NC

Reference

 
 

OS

0.88 (0.47, 1.64)

0.679

Miscarriage rate

HRT

Reference

 
 

NC

0.74 (0.39, 1.40)

0.355

 

OS

0.29 (0.12, 0.71)

0.007

 

NC

Reference

 
 

OS

0.46 (0.12, 1.75)

0.256

Gestational age

HRT

Reference

 
 

NC

-0.18 (-0.61, 0.26)

0.430

 

OS

0.08 (-0.43, 0.58)

0.766

 

NC

Reference

 
 

OS

0.30 (-0.38, 0.97)

0.386

< 37 weeks

HRT

Reference

 
 

NC

0.41 (0.15, 1.12)

0.082

 

OS

0.83 (0.30, 2.27)

0.719

 

NC

Reference

 
 

OS

2.44 (0.57, 10.47)

0.229

< 34weeks

HRT

Reference

 
 

NC

0.84 (0.16, 4.48)

0.834

 

OS

0.19 (0.03, 1.20)

0.077

 

NC

Reference

 
 

OS

0.69 (0.09, 5.54)

0.724

Twin birth rate

HRT

Reference

 
 

NC

0.43 (0.08, 2.38)

0.331

 

OS

1.42 (0.20, 10.12)

0.725

 

NC

Reference

 
 

OS

0.74(0.02, 27.72)

0.868

Cesarean delivery

HRT

Reference

 
 

NC

0.44 (0.26, 0.74)

0.002

 

OS

1.65 (0.84, 3.25)

0.144

 

NC

Reference

 
 

OS

1.45 (0.68, 3.10)

0.338

Birth weight

HRT

Reference

 
 

NC

-42.86 (-170.72, 85.01)

0.512

 

OS

-49.81 (-190.17, 90.54)

0.487

 

NC

Reference

 
 

OS

-46.99 (-244.49, 150.51)

0.642

LBW

HRT

Reference

 
 

NC

0.82 (0.30, 2.21)

0.696

 

OS

0.44 (0.13, 1.52)

0.193

 

NC

Reference

 
 

OS

1.20 (0.29, 4.97)

0.802

HBW

HRT

Reference

 
 

NC

0.60 (0.25, 1.45)

0.258

 

OS

1.45 (0.45, 4.70)

0.540

 

NC

Reference

 
 

OS

0.96 (0.31, 2.944)

0.945

SGA

HRT

Reference

 
 

NC

2.28 (0.82, 6.34)

0.116

 

OS

/

/

 

NC

Reference

 
 

OS

/

/

LGA

HRT

Reference

 
 

NC

0.85 (0.43, 1.66)

0.626

 

OS

0.64 (0.25, 1.59)

0.334

 

NC

Reference

 
 

OS

0.47 (0.17, 1.30)

0.147

  1. Note: Univariate logistic regression and linear regression were used to calculate OR (95% CI) and β (95% CI), respectively
  2. OR: Odds ratio; CI: confidence interval; HRT: hormone replacement therapy; NC: natural cycle; OS: ovarian stimulation; LBW: low birth weight; HBW: high birth weight; SGA: small for gestational age; LGA: large for gestational age;
  3. Adjusted for pre-transplantation endometrial thickness, triple-line endometrial pattern, type, number and quality of embryos transferred
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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