Food and Weight... What is the best way to Manage weight during pregnancy? I don't want to gain a midget lol I really can't afford to put on even 20 pounds

Princess
What is the best way to
Manage weight during pregnancy?  I don't want to gain a midget lol I really can't afford to put on even 20 pounds. I don't eat normal stuff like eggs and sea food, milk & diary products, but I do enjoy vegetables