Weight gain

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I'm 3 days away from being 14 weeks and in my second trimester. So far ive gained 8.4 pounds. My doctor told me to gain between 11-20 because of my bmi, though I wasn't to overweight before getting pregnant, I was strength training and has quite a bit of muscle though I still needed to drop 20/25 pounds. Anyway how much did everyone gain in the first trimester? And is what I've gained high or normal?