High blood pressure help?

i am 27 and a female i am 13stone 3pounds i am 5ft 1inches and i went to a nhs bus up kings heath and they done my blood pressure and it was 131 and my pulse was 105 is this normal or high or could it be due to the fact i never had nothing to eat that day cause my doc did my blood pressure before at the chemist and it was good please help need some advice thanks leanne