Dreaming of being pregnant with a girl is a positive dream and it is a sign of hard work and happiness in future. The dream is also asking you to take your relationships more seriously and make commitments only if you are sure about it.
Dreaming of being pregnant with a girl and you wake up happy means you will have your desires fulfilled. It also means you will find meaning to your life. There will be something to expect.
Dream of being pregnant with a girl and you wake up terrified or sad means you will being doing something that you will regret for the rest of your life.