I'm also AD and so is my husband. We're both doing training currently however I'm in Monterey CA and he's TDY'd in Keesler in Mississippi. I'm around 33 weeks pregnant and I've felt the same way. I went to talk to mental health not too long ago because I feel like shit all the time and am so lonely and emotional. I got told its normal and I'm not depressed just forced to deal with emotions I don't normally deal with. But I've only been this way since my husband was sent to miss. It sucks so bad and everything you said is how I feel as well. It's hard to do it alone and the training I'm going through makes a majority of the people that go here crazy stressed out ALL the time. But I understand how you feel I promise 

I had it during my second pregnancy. I was put on Zoloft (anti deppresant) and it helped a little bit. The best thing you can do it is be really honest with your OB. Good luck