armpit pain and fluttering in abdomen?

[LeapYear]

I'm new to this whole posting thing. The past week or so my armpits have been hurting and I've been experiencing this fluttering or pulsing like feeling in my lower abdomen. My periods are a little irregular but I did have one on November 30th. The past few months ive had periods around 5 weeks. I've been extremely tired the past two days even while at work. Does this seem like pregnancy or something else? I'm not sure if this could be ovulation or not? I've also been a little extra wet down there. Sorry for tmi. Any ideas? I tested yesterday but it's probably a little early for that. I'm trying to be extremely aware because I am a type 1 Diabetic on an insulin pump.