Migraine Aura or something else??

Good morning!

First, I have an appointment with my GP tomorrow to discuss what is going on, but I wanted to get a general sense to see if anyone else deals with what I am dealing with and to help calm my fears of brain tumor. I think I'm having a migraine aura. I have had headaches like this for a while, but only recently have had disturbances in my vision. This past Friday (today is Monday), I had a disturbance in my vision at around 10:00pm. It started in the center of my vision with a blind spot (I can look at something directly head on, but anything immediately close to it is completely wiped out). Then it went out into the periphery and looked like jagged flashing lights. It only lasted about 30 minutes and it disappeared. Afterwards, I had a dull ache at the base of my skull. I took some advil and it went away.

The next morning, woke up fine and went out to run errands. While at the store (about mid-day) I got another visual disturbance and this time the headache that came was more pronounced. It was on one side of the head (the right), but I wouldn't describe it as throbbing. I took some more advil and the headache seemed to get better during the day. I had no nausea, no sensitivity to light, and no sensitivity to sound. I took some more advil that night before bed and woke up around 4AM (I normally wake up several times a night) to the same intense headache I had had the previous day while at the store. Took advil again, and it seemed to calm it down. The headache never returned yesterday although I did have some "residual" pain in the head (around my right eye) when I coughed or laughed too hard. I thought it was over....however, this morning I woke up with pain on the other side of the head (left) and had another visual disturbance....same type as the previous two times.

I had a migraine with aura about a month ago (at least that's what I'm assuming it was since it was my first time). I only had two auras that time. It followed a similar pattern. The first time I got the aura it produced a very mild headache and then I got the second one and the headache was a lot worse that time.

My main concerns that prompts me to be scared this isn't a migraine is:

- my head wasn't throbbing (as is the case in most migraines)
-I didn't have any sensitivities to light or sound (as is the case in most migraines)
-no nausea or gastrointestinal disturbances (as is the case in most migraines)
-the "residual" headache that came when I coughed or laughed (this happened the first time I got it too and I've read this is a cause for concern where headaches are concerned)
- For the last six months I have been on LOW DOSE birth control (the lowest marketable dose) and I've read there's an increased chance of stroke or blood clot with it.

Is this a migraine with aura or should I be more scared that it's something worse?