Pregnancy and weight loss?

my wife is pregnant but she is having a problem she is very overweight and she's not even a month pregnant she doesn't want to get bigger what is she suppose to do sheès 202 pounds and 5 7 what types of exercise should she do to drop some of the weight before the baby comes please help she's really depressed about her weight being over 202 lbs
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+1 y
we just found out she is pregnant so i doubt its even a month
Pregnancy and weight loss?
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