Do you feel hungover? Early pregnancy symptoms

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For the past 4 days I have felt just nauseous on and off, achey head, achey body, very fatigued. I literally feel like a zombie. The best way I can describe this is as feeling “hungover”. I am 7 weeks today. Has anyone else had this experience and end up ok? I’m a little freaked out. I don’t remember ever feeling like this with my first kid, 10 years ago.