Table 2.
Overview results
| Presentation of the twins | 5-min Apgar scores <7 | Neonatal mortality | |||||||
|---|---|---|---|---|---|---|---|---|---|
| No significant difference | Significant difference favouring vaginal delivery | Significant difference favouring caesarean delivery | Not reported | No significant difference | Significant difference favouring vaginal delivery | Significant difference favouring caesarean delivery | Not reported | ||
| Non-cephalic presentation twin A (8 studies [12–16, 23–25, 27]) | Twin A | 100 % (8 studies [12–16, 23–25, 27]) | – | – | – | 100 % (8 studies [12–16, 23–25, 27]) | – | – | – |
| Twin B | 50 % (4 studies [12–16]) | – | – | 50 % (4 studies [23–25, 27]) | 50 % (4 studies [12–16]) | – | – | 50 % (4 studies [23–25, 27]) | |
| Non-cephalic presentation twin B (11 studies [9, 17–22, 24, 26–28]) | Twin A | 36 % (4 studies [9, 17, 18, 26]) | – | – | 64 % (7 studies [19–22, 24, 27, 28]) | 45 % (5 studies [9, 17, 18, 20, 21]) | – | – | 55 % (6 studies [19, 22, 24, 26–28]) |
| Twin B | 82 % (9 studies [9, 17–21, 24, 26, 28]) | – | 9 % (1 study [22]) | 9 % (1 study[27]) | 82 % (9 studies [9, 17–22, 24, 27]) | – | – | 18 % (2 studies [26, 28]) | |
| Non-cephalic presentation twin A and B (1 study [11]) | Twin A | 100 % (1 study11) | – | – | – | 100 % (1 study [11]) | – | – | – |
| Twin B | 100 % (1 study [11]) | – | – | – | 100 % (1 study [11]) | – | – | – | |