Hi ladies!

I need some help. The last couple days I have been feeling under the weather and think I had my period which ended yesterday. The last few days I have been experiencing a popping sensation like gas bubbles and have been nauseous but before my "period" started my tests were all negative. Seemed good to me but my period didn't seem normal with length or heaviness. Today I got severe back pain out of no where and nothing is easing it up at all. Reason I'm concerned about an ectopic is because back in July the same thing occurred. Got my period in June after taking tests all the way up to my "period" and went for routine bloodwork 3 weeks later for clearance for school and she added on a pregnancy test since I was randomly spotting in my ovulation window. Suprise to everyone I was definitely pregnant with numbers right below 2 thousand. Turned out I had a rare ovarian ectopic pregnancy and it was sadly removed. Anyone have this happen a second time?