Is it normal to lose weight on the first trimester?

Ai

Hi mommies! I am just curious. I weighed 47.7 kg during my first visit at my OB at 7weeks. Now I tried to weigh at home and it appeared that I lost 2 kg and is actually 45kg now at 10weeks. Is this something normal? My morning sickness occurs minimal and my diet is just fine. I eat regular meals too. My next ultrasound will be in 2 weeks and I hope the baby is doing fine regardless of the weight loss. 🤞🏻🙈