Why do pregnant women let themselves go?

peace-love-couture
Technically, pregnant women should only eat like 300 extra calories a day, per fetus/baby in them.

And they should only gain around 25-30 lbs. My mom never got big with my sisters and I, but she was (before she had my sister) an aspiring body builder or whatever, so she was in shape. My sisters never got big. One of them only got a tad bigger on her 3rd pregnancy, but even then it wasn't big at all.

I guess they let themselves go because they never cared about their appearance to begin with? I mean, the average woman is a size 16 in America, so clearly they don't care about their appearances to begin with?

Mind you, I know girls who are 14-16 and have had children lmao and they stayed small and petite and didn't gain much weight. But even then, you shouldn't get that big

I know I sound shallow, but eating healthy and exercising(which is perfectly safe) isn't that much work
Why do pregnant women let themselves go?
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