Normally, vomiting and nausea 6 weeks ke around shuru ho jata hai aur first trimester ke end tak rehta hai. Kuch logo ko bilkul nahi hoti, which is also totally normal. Thoda lemon water ya ginger tea try kar sakte ho comfort ke liye.
Vomiting ka sochte hi darr lagta hai, I totally understand how stressful this wait can be. Usually 6th week ke aas-paas start ho jati hai, but don't worry, har kisi ko severe vomiting nahi hoti. Tension mat lo, just take it easy.
Actually normally week 6 or 7 se morning sickness start ho jati hai. Mere Apollo Cradle ke doctor ne mujhe early signs ke baare mein acche se bataya tha taaki main mentally prepared rahoon. If it gets too much, hospital staff ko zaroor call karna, don't suffer in silence.