It is generally safe to use bleach-based cleaners such as Comet during pregnancy. However, take care not to combine bleach-based cleaners with ammonia--the combination produces dangerous fumes.
No. The sulphurous and other additives contained in the crystals of the product are easily absorbed by the fetus. Malformation of organs has been reported.
First check the product label. If you are not satisfied with this, you may want to try to talk with you OB/GYN, Pediatrictian, or even local poison control center.
