I don't really know how far along I am, the online calculator said 5 weeks but it could be more or less. How will I know for sure?
Also, I have been feeling nauseous in the morning, today was particularly bad but I was still able to eat a hearty breakfast. When will the vomiting start?
My breasts were incredibly sore since my last period 3 May: so bad I found it hard to get comfortable at night. Now they still feel heavy but not as sore; is this something to worry about?
This is bad- I had a hot stone massage using essential oils a few weeks ago - could this have done damage?
I am going to USA on 25th July, will this be ok? How will I cope with the vomiting in the heat? 
Also, last thing, I used SBC lavender oil shower gel for the last few weeks and I saw today it says 'not recommended in first 12 weeks of pregnancy'.
Oh one last last thing, I have gone off coffee and am sneezing all the time, why?
Sorry, I'm really clueless about pregnancy. Thanks if you are still reading.