How to lower blood pressure during pregnancy?

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Just found out my blood pressure was elevated never had high blood pressure before so this is new to me, I am so scare I know having high blood pressure during pregnancy is very dangerous and the worse case could cost pre-eclampsia I think that what it call, anybody is going through the same thing, now I'm trying to exercise and eat healthy also watch my sodium intake hopefully it will go down. Any tips for me to make it go down fast?