I got fired because of my pregnancy, should I sue my company? Th

I got pregancy when I was in this job interview precess. I didn't tell the company. Then I got the job and I worked there for two weeks. It's a moneny manament asset firm. IT's a very small company under 10 people. My boss fired me as soon as I told him I was pregant. Should I sue them? Will I win the case? Will effect my future to get another job in Financial field? Thanks a lot.