Am I too big? 31 weeks

The doctor wants to do an ultrasound to check for growth progression. I started at 189lbs then dropped to 175 the first few months. I am now at 194. 😥 I honestly havnt been eating the greatest but just started watching what I eat and stocked up on healthy fruits. It’s just our bank is breaking so I eat what I can I guess 🤦🏼‍♀️ that’s cheapest. Am I too big??? I am 31 weeks.