Table 3.
Perinatal outcomes among MS-OHSS patients and Non-OHSS patients after propensity score matching.
| MS-OHSS singleton pregnancies (n = 114) | Non-OHSS singleton pregnancies (n = 337) | Odds ration/mean difference (95% CI) | P value | |
|---|---|---|---|---|
| Obstetric outcomes | ||||
| Placenta previa (%) | 0(0.00) | 3(0.89) | - | - |
| Placenta abruption (%) | 0(0.00) | 2(0.59) | - | - |
| Premature rupture of membranes (%) | 4(3.51) | 8(2.37) | 1.50(0.44,5.06) | 0.52 |
| Hypertensive disorders in pregnancy (%) | 4(3.51) | 9(2.67) | 1.33(0.40,4.39) | 0.64 |
| Gestational diabetes mellitus (%) | 5(4.39) | 26(7.72) | 0.55(0.21,1.46) | 0.23 |
| Cesarean delivery (%) | 73(64.04) | 208(61.72) | 1.10(0.71,1.72) | 0.66 |
| Neonatal outcomes | ||||
| Normal term infant (%) | 98(85.96) | 287(85.16) | 1.07(0.58, 1.96) | 0.83 |
| Gestational age (week) | 39.17 ± 1.30 | 39.20 ± 1.34 | -0.04(-0.32, 0.25) | 0.80 |
| Premature delivery (%) | 6(5.26) | 14(4.15) | 1.28(0.48,3.42) | 0.62 |
| Birth weight (g) | 3315.35 ± 439.30 | 3372.16 ± 478.35 | -56.81(-156.64, 43.02) | 0.26 |
| Low birth weight (%) | 4(3.51) | 13(3.86) | 0.91(0.29,2.84) | 0.87 |
| Very low birth weight (%) | 0(0.00) | 1(0.30) | - | - |
| Macrosomia (%) | 6(5.26) | 26(7.72) | 0.66(0.27,1.66) | 0.38 |
| SGA (%) | 4(3.51) | 8(2.37) | 1.50(0.44,5.06) | 0.52 |
| LGA (%) | 26(22.81) | 92(27.30) | 0.79(0.48,1.30) | 0.35 |
| Admitted in pediatrics (%) | 1(0.88) | 3(0.89) | 0.99(0.10,9.57) | 0.99 |
| Birth defect (%) | 1(0.88) | 3(0.89) | 0.99(0.10,9.57) | 0.99 |
| Birth length (cm) | 50.22 ± 1.49 | 50.31 ± 1.61 | -0.09(-0.43, 0.24) | 0.59 |
| 1-minute Apgar scores | 10.00 ± 0.00 | 9.99 ± 0.13 | 0.01(-0.01, 0.04) | 0.34 |
Data are presented as mean ± standard deviation or n (%). Univariate logistic regression and linear regression were used to calculate odds ratio (95% CI) and mean difference (95% CI). MS-OHSS, moderate-to-severe ovarian hyperstimulation syndrome; CI, confidence interval; -, Not applicable; SGA, small for gestational age; LGA, large for gestational age.