Morning Sickness Subsiding

Ellie
I am 8 + 1 and my morning sickness has become less intense gradually over the last few days, it's pretty much non existent now and I feel much less irritable too. Has anyone else's cleared so early on? I was expecting it to last until at least 12 weeks, just wary everything ok with pregnancy. I had a scan 4 days ago and heartbeat was strong at that point which puts my mind to rest a bit. Is it true what they say you are less sick with boys, so many questions... is my first pregnancy!