Characteristics of women undergoing early medical abortion
| Characteristics* | Number of women (n=4838) | Continuing pregnancy (n=20) | Not continuing pregnancy (n=4818) |
| Age (years) | 27 (17–46) | 27 (18–40) | 27 (17–46) |
| Body mass index (BMI) (kg/m2) | 23.6 (14.4–64.4) | 23.4 (19–29) | 23.7 (14.4–64.4) |
| Current smoker | 1861 (39) | 9 (45) | 1852 (38) |
| Had previous birth | 2126 (44) | 10 (50) | 2116 (44) |
| Had previous miscarriage | 564 (12) | 1 (5) | 563 (12) |
| Had previous ectopic pregnancy | 83 (1.7) | 0 | 83 (2) |
| Had previous abortion | 1486 (31) | 13 (65) | 1473 (31) |
| Gestation at presentation (weeks) | |||
| <8 | 3952 (82) | 10 (50) | 3942 (82) |
| ≥8 | 886 (18)† | 10 (50) | 876 (18) |
| Time from mifepristone to misoprostol (hours) | |||
| 24 | 2271 (47) | 6 (30) | 2265 (47) |
| 48 | 67 (53) | 14 (70) | 2553 (53) |
*Figures shown are number (%) except age and BMI, which are median (range).
†A small number of women had an early medical abortion at >9 weeks' gestation (maximum gestation 9+5).