| Species | Carbon Monoxide Exposure | Effects |
| mouse | high level CO, few minutes, repeatedly | abortions, resorptions, abnormal growth of survivors |
| mouse | moderate level CO, many days | increased fetal mortality |
| mouse |
moderate level CO, many days, decreased protein diet |
decreased fetal body wt., increased death & resorption of fetuses, brachygnathia, microsomia, microcephaly, protruding tongue, open mouth, open eyes |
| mouse | moderate level CO, many days | increased resorptions, decreased body wt. & crown-rump length, increased skeletal anomalies |
| rat | high level CO, few minutes, repeatedly | decreased litter size, decreased preweaning survival |
| rat | high level CO, few hours, repeatedly |
absorptions, stillbirths, skeletal anomalies, decreased fetal body wt., decreased crown-rump length |
| rat | low level CO, many days, decreased oxygen | decreased body wt., increased brain wt., decreased lung wt., decreased brain serotonin |
| rat | high level CO, few hrs, repeatedly | decreased fetal body wt. |
| rat | moderate level CO, many days | increased placental wt., decreased fetal body wt. |
| rat | high level CO, few hrs, repeatedly | decreased fetal body wt., decreased placental wt. |
| rabbit | moderate level CO, many days | increased fetal body wt., & crown-rump length |
| rabbit | high level CO, few minutes, many days | increased fetal deaths |
| pig | moderate-high level CO, for several days | increased stillbirths |
Note: For more detailed information, contact the webmaster (E-mail = dpenney@cmb.biosci.wayne.edu), or consult the book Carbon Monoxide, 1996, by David G. Penney, Ph.D.