Baseline characteristics of 46 deliveries
| *Mean (SD). | |
| Pregnancy duration (weeks)* | 37.9 (4.11), minimum 19 weeks |
| Premature births (defined as 16–37 weeks) | 5 (11%) (19–36 weeks) |
| Delivery | |
| Vaginal | 33, 1 forceps and 2 vacuum for non-cardiac reasons |
| Primary caesarean section | 8 |
| Secondary caesarean section | 5 |
| Endocarditis prophylaxis given | |
| Yes | 42 (91%) |
| No | 4 (9%) |