The dream of a newborn baby is a symbol of new beginnings, growth, rejuvenation, and a fresh start in your life, and you need to view this dream as a positive and encouraging sign.

Dreaming of a newborn baby represents the birth of new ideas, projects, and opportunities. This is a sign that you are about to embark on a new phase of life, therefore you should be open to new possibilities and opportunities.
This dream can also indicate you are ready for change and growth and prepared to take on new challenges and responsibilities in your waking life
Related: Dreaming of giving birth
As a woman, if you have been desiring to have a child, the dream is a reflection of that desire and can represent your fertility.
This dream clearly indicates that you are ready to start a family as you have a strong desire to become a parent. You are now ready to take on the responsibilities of parenthood.
A dream of a newborn baby might symbolize rejuvenation. You are desiring to be reborn again, to be innocent, and a desire to be freed from anxiety.