Do women let themselves go after they get married and have a couple of kids?

Raising kids is tough, especially if you have 3 boys. You are in for a world of hurt. Do you think women tend to gain a lot of weight after having kids? Do you think the "Let themselves go"?
Do women let themselves go after they get married and have a couple of kids?
Do women let themselves go after they get married and have a couple of kids?
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