ugh anxiety/panic attack

Made it to almost 28 1/2 weeks before having an anxiety/panic attack. Been so stressed lately that I just kind of lost it over everything. Nervous about baby getting here, not feeling like I'm enjoying the pregnancy, work issues, friend issues, and etc. I've been bottling it up and today I just kind of broke down after my husband got home, and it was just awful. Am I the only one this has happened to?