Weight gain

I'm at my appointment and I just got weighed. I've gained 3lbs since my last appointment (Aug 27). I'm 16w + 6d and have gained a total of 8lbs (133lbs-141lbs). Is that okay? I'm terrified of gaining too much weight since I did with my first. With my first, I gained about 50lbs. I was like 200lbs at the end and I'm 5'5. So when I get weighed now, even though it's been 5 years..I get really nervous because I know how hard it is to lose after the baby is born.