Its normal to have head ache while your pregnant?

Yes, it's pretty normal. We most of the time charge to hormonal changes all those annoying pains that we suffer from during pregnancy. When I was one, what I do is gentle massage my templates and if possible sleep. And if I experience it when in the office I take a break and relax for a while. This article might be helpful to you to know more about the topic: http://pregnant.sg/articles/pain-in-my-getting-rid-of-pregnancy-headaches/