Table 1.
Comparison of maternal age, gestational age at delivery, rate of lower segment cesarean section, and incidence of maternal complications between singleton and twin pregnancies
| Statistics | Fresh self |
Fresh recipient |
Thaw self |
Thaw recipient |
All treatment groups combined |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Single (n=280) | Twins (n=114) | Single (n=254) | Twins (n=133) | Single (n=272) | Twins (n=103) | Single (n=91) | Twins (n=32) | Single (n=897) | Twins (n=382) | ||
| Maternal age (years) | Mean±SD | 30.2±3.3 | 29.7±3.2 | 36.7±5.4 | 35.6±5.4 | 30.0±3.5 | 29.8±3.3 | 36.1±4.9 | 34.1±5.5 | 32.6±5.3 | 32.1±5.1 |
| P | 0.26 | 0.04* | 0.65 | 0.05 | 0.17 | ||||||
| Gestational age at delivery (weeks) | Mean±SD | 37.2±2.5 | 35.0±3.3 | 36.5±3.0 | 35.0±2.9 | 36.7±3.7 | 34.8±3.2 | 36.4±3.6 | 34.3±3.0 | 36.8±3.2 | 34.9±3.1 |
| P | <0.001* | <0.001* | <0.001* | <0.001* | <0.001* | ||||||
| LSCS | n (%) | 253 (90.4) | 107 (93.9) | 240 (94.5) | 132 (99.3) | 256 (94.1) | 97 (94.2) | 85 (93.4) | 32 (100) | 834 (93.0) | 368 (96.3) |
| P | 0.26 | 0.02* | 0.98 | 0.34 | 0.02* | ||||||
| Maternal complications | n (%) | 53 (18.9) | 26 (22.8) | 65 (25.6) | 41 (30.8) | 57 (20.9) | 32 (31.0) | 16 (17.6) | 13 (40.6) | 191 (21.3) | 112 (29.3) |
| OR (95% CI) | 1.27 (0.75-2.17) | 1.30 (0.82-2.08) | 1.72 (1.03-2.86) | 3.23 (1.33-8.33) | 1.53 (1.17-2.01) | ||||||
| P | 0.41 | 0.28 | 0.04* | 0.01* | 0.003* | ||||||
*P<0.05; Statistically significant. n=Number of pregnancies, SD=Standard deviation, CI=Confidence interval, OR=Odds ratio, LSCS=Lower segment caesarean section