Weight Change.. Is it normal??

Karinna 🤰🏻 • 19 y/o ❤️ Married 💍 Expecting Baby #1 👶🏻 Its A Girl 💖

So i got pregnant on Dec. 25th and in November i weighed almost 240 something lbs Then early March i weighed about 230 something and i got weighed yesterday and i weigh 222 .. is it normal to be loosing that much weight?? 😓😶