Need some advice... help

I called the doctor this morning because I have a headache that will not go away. I had some blurry vision overnight but it quickly went away. They checked my BP and it was fine 124/86... Okay reason with me... doctor said if I still have a headache at 5pm I have to go to L&D...; but they did a full urine protein screen and blood work and EVERYTHING looks good. What is the harm of just having a headache and why would I need to go to L&D; if everything is checking out fine. The only thing that was concerning is that my pulse was a little high 114. Why would I still go in if this is JUST a stubborn headache that won’t go away? (Also I’ve hit water hard today, tried a nap and tried a little bit of caffeine, and Tylenol every 6 hours)