Those companies make claims that people want the maternity leave to which there is a risk that is not very usual that people go to work and the performance of the people less than someone who is not the belly.
Those companies that claim to maternity leave, which shall be a risk not to work more than the normal ones, and the performance of the stomach than people who are not pregnant.
Those companies to excuse that pregnant women must be on maternity leave, which is the risk not to go to work as normal people, and the performance of the abdomen than people who are not pregnant.