Am i gaining weight too fast??

Julie

I am 18 weeks tomorrow, and I’ve gained 4 pounds this month alone. I started overweight at 151, dropped to 139 at my lowest (during the first trimester sickness) and gained a half pound a week or so until i hit 141. The past month I’ve gained 1 to 1 1/2 pounds a week 😳 My Doctor said because I am still overweight for my height (healthy weight is 130-135) I should only be gaining half a pound a week. I eat healthy, lots of fruits and vegetables and I only drink water. What else can I do to slow down the rate?? I know I’m supposed to gain, but I want to do it the healthy way like the doctor suggested, not double what she wants. Thoughts??