I didn't want to leave you unanswered. I certainly considered giving up ttc.
I felt, with me, that there was a big part of me that just wanted to 'win' at getting pregnant, if that makes sense. Post mc, I wanted to see if I still could. So when it went on a bit we decided to take a break from ttc and now I'm 13 weeks pg. Not the best example, perhaps!
But it absolutely depends what you want. You are absolutely allowed to look at your life again - stress of ttc, pregnancy, newborn stage, etc etc - and say "I've changed my mind" and then stop. Just because you've set out ttc doesn't mean you have to see it through.
On the other hand, if you can see all the stress and (potential) difficulty and deep down, you are prepared to go through it all again, then do.
But just be careful that it's a baby you want and not to 'win' at getting pregnant - I don't mean to sound at all patronising, that's just what I found was going on in my head. Now there's a real baby in the offing, I am happy, but also very nervous.
I hope it goes your way, whatever happens.