Yes. Several health and safety laws require your employer to pay special attention to any workplace hazards that might affect you or your baby.
These are:
Updated guidance for employers issued by the Health and Safety Executive in December 2002, New and expectant mothers at work, sets out your employer’s legal obligations. Its says to employers: "You are required to assess risks to all your employees, and to do what is reasonably practicable to control those risks." The guide identifies all the hazards that are likely to affect pregnancy, birth and breastfeeding.
Just One More Click: Doggy drama about staying safe online at work.