Oh bless you
I wouldn't worry life isn't a movie.
1st pregnancy - unplanned teen - didn't tell anyone not even the father as we'd just split up. I was worried he'd think I was only telling him to get him to reconsider the break up. I also wasn't sure if I was going to continue the pregnancy or not...then I mc anyway. Complete, at home, no hospital treatment needed. Took a week off work with "flu" and then just carried on - this bit me in the arse later though as I really didn't deal with all the emotions of the situation
2nd pregnancy - planned, but we really didn't think it would happen so quickly! 2nd cycle! We weren't even really properly trying just ditched the pill and condoms! Then dh jut heard me yell "Fucking hell!" From the bathroom and he was like "it's positive then" he'd thought so before I even missed my period as boobs were killing me and things were tasting really weird! I thought that was down to coming off pill. I had just started a new job too and was still in probationary period. Went into work determined to not give the game away, some weeks later collapsed at work from a sharp pain and then could feel I was bleeding and panicked so it was fairly obvious what was happening. My boss was AMAZING. She sat calmly with me till ambulance arrived, and while I was off didn't pester but called on occasion to see how I was doing. Then when I went back (after several weeks off! It was a complicated set of circumstances) had me in for a meeting and said even if dr had signed me off physically I didn't have to come back yet if I wasn't ready emotionally. She was just lovely. She had a rep as a "dragon lady" but I always got on great with her
3rd pregnancy - dd - again barely started trying and fell quite quickly. But no early symptoms this time. Period due that weekend, tested on the Sunday morning not really expecting a positive. We had very lazy Sunday mornings back then and I just crawled back into bed with the Sunday papers to browse and Dh stirred. Told him "yep pregnant again" him "oh ok then" and he rolled over and went back to sleep 
I was still working at same place with same boss and I told her straight away this time. She was so supportive, I had some bleeding in that pregnancy and the first time was at work and I started stressing and again she just sat and talked with me till dh came to get me to go to get checked out. (It was a high risk pregnancy for several reasons)
A friend of mine they'd had a lot of trouble conceiving dc1 and ended up having to have ivf and all that, dc 1 was 8 months old, she had a stash of tests from the whole thing with dc1. Period was late but not especially unusual for her so she tested, and she tested and she tested...9 tests! Then DIDN'T tell her dh but she'd left all the tests in the bathroom, he went in half asleep to pee, saw the tests, came out the bathroom and saw wife, did a sort of double take, back in bathroom, came out again a bit more awake, "are those pregnancy tests?" Her "yep" him "and they're all positive?" "Yep" are you sure" yes I think 9 tests is pretty sure"... he wasn't totally convinced until the first scan she said. Then he had a bit of a wobble cos...2 heartbeats! To be fair she had a wobble too! Especially as she was still on mat leave after dc1! 
@Xyzzzzz Cause I'm totally blameless 
Yes another friend did something similar a shriek from the bathroom "you've bloody made me pregnant!" To which dp replied "I don't think I managed that alone"
Sleep on it op, the right answer will come to you, whatever you decide will be what's right for you and your family. You're probably still in shock at the moment 