What is the average Weight of a 7 wk old baby girl?

According to the World Health Organization (WHO), the average weight of a 7-week-old baby girl is between 4.3 and 5.9 kilograms (9.5 and 13.0 pounds). It's important to note that this is just an average, and individual babies may vary significantly from these numbers. Factors such as genetics, nutrition, and overall health can all impact a baby's weight. If you have concerns about your baby's weight, it's always best to consult with a healthcare professional.