Table 4.
Comparison of characteristics between prospective pregnancy cases with live births and spontaneous abortions*
| Pregnancies with live births (n = 109) | Pregnancies with spontaneous abortions (n = 20) | p‐values | |
|---|---|---|---|
| Maternal age | |||
| Age known, n | 76 | 16 | 0.032 |
| <35 years | 46 (60.5) | 5 (31.3) | |
| ≥35 years | 30 (39.5) | 11 (68.8) | |
| BOTOX indication | |||
| Indication known, n | 103 | 19 | 0.002 |
| Cosmetic | 52 (50.5) | 17 (89.5) | |
| Therapeutic | 51 (49.5) | 2 (10.5) | |
| Timing of exposure | |||
| Timing known, n | 99 | 17 | 0.518 |
| Prior to conception | 18 (18.2) | 2 (11.8) | |
| First/Second trimester | 81 (81.8) | 15 (88.2) | |
| BOTOX dose | |||
| Dose known, n | 80 | 12 | 0.141 |
| <50U | 32 (40.0) | 8 (66.7) | |
| 50U to <100U | 11 (13.8) | 2 (16.7) | |
| ≥100U | 37 (46.3) | 2 (16.7) | |
Pregnancy cases with unknown maternal age, BOTOX indication, timing of exposure or BOTOX dose were not included in the individual analyses.
*
Data are expressed as n or n (% among those with known information).