Not having symptoms of pregnancy and I'm 7 wks!

Yasemin • Married to wonderful hubby! Have two gorgeous girls 16 and 9. Trying for number 3.
Im 7 wks prego but I'm not having any of the usual symptoms. My other 2 I was sick as a dog from the minute I found out I was prego. Anyone else In the same situation? Why is this? Oh the only thing I am experiecing is sore tender breasts.