Side effects and bleeding profile reported at day 4 following treatment
| Side effects | Entire cohort (n=663) | Gestation under 10 weeks (n=642) | Gestation 10 weeks – 11 weeks and 6 days (n=21) | |
| Nausea | Yes | 415 (62.6%) | 402 (62.6%) | 13 (61.9%) |
| No | 231 (34.8%) | 223 (34.7%) | 8 (38.1%) | |
| Unknown | 17 (2.6%) | 17 (2.6%) | 0 | |
| Vomiting | Yes | 223 (33.6%) | 213 (33.2%) | 10 (47.6%) |
| No | 423 (63.8%) | 412 (64.2%) | 11 (52.4%) | |
| Unknown | 17 (2.6%) | 17 (2.6%) | 0 | |
| Diarrhoea | Yes | 199 (30.0%) | 192 (29.9%) | 7 (33.3%) |
| No | 446 (67.3%) | 432 (67.3%) | 14 (66.7%) | |
| Unknown | 18 (2.7%) | 18 (2.8%) | 0 | |
| Headache | Yes | 101 (15.2%) | 97 (15.1%) | 4 (19.0%) |
| No | 544 (83.6%) | 527 (82.1%) | 17 (81.0%) | |
| Unknown | 18 (2.7%) | 18 (2.8%) | 0 | |
| Bleeding profile | Entire cohort reporting bleeding (n=637, no bleeding=6, unknown=20) | Gestation under 10 weeks (n=616) | Gestation 10 weeks – 11 weeks and 6 days (n=21) | |
| Much more than a period | 305 (47.9%) | 292 (47.4%) | 13 (61.9%) | |
| A bit more than a period | 205 (32.2%) | 197 (32.0%) | 8 (38.1%) | |
| Same as a period | 81 (12.7%) | 81 (13.1%) | 0 | |
| A bit less than a period | 23 (3.6%) | 23 (3.7%) | 0 | |
| Much less than a period | 23 (3.6%) | 23 (3.7%) | 0 | |