No telling when it stops, I'm suffering as well. But scents help. Soothing scents help me in the morning, I use lemon and ginger as soon as I get nauseous usually around 4:30-5am.
First pregnancy from week 10 until i gave birth at 38 weeks. Now second pregnancy from week 5 and im currently 34 weeks and 5days and i still have morning sickness but my doctor told me to drink b6 and unisom before bed at night and helps i did the same think with my first son b6 and unisom before bed and no more morning sickness i can eat and drink everything i want thank God