cleaning and pregnancy

cleaning and pregnancy is one of the most talked about thing during pregnancy. most people tell you that if you clean with cleaning products that it will hurt your baby and that it could cause defects in your unborn child. Doctors tell you to let your husband or partner to do all the cleaning with chemical's during your pregnancy. If you are a sigal mother that is doing everything on your own working, cooking and cleaning ext.... is there a why to clean with chemical's because you are on your own and have no one to help you?