Nausea and vomiting?

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Hiii I’m in my week 12 and my nausea and vomiting got better in week 11 and beginning of week 12 but suddenly it’s come back with a bang! No trigger. It’s jus started with basic indigestion and that’s it- I’ve not been able to keep water down :( I’m very discouraged today and wondering if it will ever go away :( Is anyone with me? Did it get better for anyone with a similar experience ?