3rd pregnancy- 1st time with hyperemesis gravidarum

Kait

Severe nausea and vomiting started around 5 weeks & diagnosed with HG around 7 weeks. I had nausea with my other two pregnancies but nothing this severe. Has anyone else experienced this for one pregnancy and not another? How long did the HG last? I'm 9 w today and it's getting worse even though I am on diclegis