Returning to work without the guilt
One of the most common conversations I have with new clients is about guilt of going back to work and leaving their children. Firstly know that you are not the only person feeling this and family and friends options can add to this guilt ( we all have a Mother Earth in the family) other people will think they know better about what's best for you and your baby. They don't know. You do!
My advise is do due diligence checking out the nanny - experience, references, background check, whatever it takes for you to feel comfortable - than you can feel confident in leaving your child while you go to work. Your baby will still be getting one-on-one time with a consistent caregiver...but he (or she) will also always know his mummy. I know many women struggle with this. But try to keep in mind that you know what's best for you!