My baby is 4 weeks old today. We are exclusively breastfeeding, she’s on my boob a lot, many times during the day and 2-3 times at night. She does plenty of wet and dirty nappies too. I decided to put her on a kitchen scale today as she was weighed last time 2 weeks ago. The scale showed around 2520 maybe 2530 grams which is less than her birth weight (3540). Obviously I am panicking now 😩 I really don’t want her to be on a formula. Do I need to contact my health visitor ? Or maybe my scale is wrong. Please help !