blood pressure

Just checked my blood pressure as it's been up and down since 28weeks and it came back at 118/87 is that ok? I'm 33 weeks now. My normal blood pressure is 110/73 
I've had a headache for last day or 2 but my son been poorly and I've stayed up with him through night. I had pre eclampsia with him and I do have the lights in the eyes but had that for weeks. xx