I'm officially in the large frame, is it bad?

I'm 5'7 and even though, I was very that skinny... during my HS years I used to be 125 Ibs. Then from ages 18-23, I was at 130-136 Ibs.

Ages 23-28 it went up from 138-142 Ibs.

Now at 29 it's at 150 Ibs. This belongs to the large frame of 143-163 Ibs for a woman my height. It's getting harder to lose weight now. I can't imagine how much I would gain if I were to get pregnant.

https://www.healthchecksystems.com/heightweightchart.htm
I'm officially in the large frame, is it bad?
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