High risk environments include work with *teratogens, mutagens, carcinogens, cytotoxic drugs, steroids, certain biological agents, ionising radiation, and chemicals contra-indicated for pregnancy and/or breast feeding. For detailed information regarding these hazards, see HERE.

*Definitions
Terratogens:       An agent that can disturb the development of the embryo or foetus
Mutagens:           An agent that can induce a genetic mutation
Carcinogens:       A substance or agent that can produce or trigger cancer
Cytotoxic:            An agent or process that kills cells