FIRST THING FIRST- Go back to your doctor and get the tests done to rule out anything else.......
I have had those as well....I came to find out it was ANXIETY! That is not to tell you, that you shouldn't be examined and have a couple tests!!! But do think about it; you have two little ones, and a new one on the way! Anyone would be anxious. How is your mood throughout the day?
Another thing it could be, in an otherwise healthy person, is dehydration. Make sure you are drinking PLENTY of water/fluids.
Also ask your Doc to check your electrolytes...If they are off balance this can happen. In the mean time, try to relax...
Anxiety is a horrible thing to have...I know first hand. I declined to go on medication for this, and have learned to deal with it on my own...if it turns out you have anxiety, you may or may not need medicine(and you may choose to wait and see how it is after you deliver-this is the way I went). Whatever your choice(made along woith your Doctor), realize that this is not your fault and millions of women suffer with this. (Most of us-only after we have children!!!!)
I had the same scared feeling of not waking up to my daughter, and them my anxiety got even worse. Every little pain I felt, I thought I had a fatal disease.
I can tell you the biggest thing that helped me was acceptence! Once you accept that you have anxiety, you can tell yourself to calm down when you get the feeling coming on.
ALSO_If you have any caffiene in your diet- You must eliminate it! Switch to decaf(this also has a tiny bit), becaseut he caffiene will amke things 10 times worse. Feel free to email me if you need to talk more!I can ask you a few questions about your symptoms and your mood and tell you my opinion...But please caLL your Doc today, as sometimes the tests can take a week or two to schedule.
Jeanne F