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Table 3 Pregnancy outcomes between groups

From: The effect of mildly stimulated cycle versus artificial cycle on pregnancy outcomes in overweight/obese women with PCOS prior to frozen embryo transfer: a retrospective cohort study

 

Total

mSTC

AC

P value

Number of patients

680

173

507

 

Implantation rate

458/1266 (36.2%)

111/325(34.2%)

347/941(36.9%)

0.379

Positive pregnancy rate

404/680 (59.4%)

100/173(57.8%)

304/507(60.0%)

0.618

Clinical pregnancy rate

376/680 (55.3%)

94/173(54.3%)

282/507(55.6%)

0.769

Twin pregnancies

69/376 (18.4%)

19/94(20.2%)

70/282(24.8%)

0.362

Ectopic pregnancy

11/376 (3.0%)

2/94(2.1%)

9/282(3.2%)

0.860

Miscarriage rate

68/376 (18.1%)

6/94(6.4%)

65/282(23.0%)

< 0.001

Live birth rate

294/680 (43.2%)

86/173(49.7%)

208/507(41.0%)

0.046

Singletons

235/680 (34.6%)

70/173(40.5%)

165/507(32.5%)

0.059

Twins

59/680 (8.7%)

16/173(9.2%)

43/507(8.5%)

0.757

  1. Data are presented as mean ± SD for continuous variables and n (%) for dichotomous variables. All P values were assessed with the use of student’s t-test or χ2