Percent (%) detection of exposed fetal guinea pigs after single dose maternal cocaine injection, by GC-MS analysis of amniotic fluid and meconium for cocaine, benzoylecgonine, and m-OH BE
| Time Post-Injection | Cocaine | Benzoylecgonine | m-OH BE |
|---|---|---|---|
| Amniotic Fluid | |||
| 24 h | 100 | 100 | 0 |
| 48 h | 57 | 86 | 29 |
| 72 h | 0 | 100 | 0 |
| 96 h | 12 | 50 | 0 |
| Meconium | |||
| 24 h | 60 | 100 | 100 |
| 48 h | 57 | 100 | 100 |
| 72 h | 0 | 25 | 75 |
| 96 h | 50 | 0 | 100 |