I'm tall (5' 10" or so) with a long torso, and it's really hard to find maternity clothes that fit. If they fit on top, my belly is showing out the bottom halfway through my pregnancy. If they're long enough, they're way too loose. No matter what, long sleeves are never long enough for my monkey arms. So, here's a shirt from last pregnancy so you can see what I mean:
As you can see, it's baggy, doesn't fit at the armpit, and the sleeves don't even hit my wrists. Wanna see how I went from that to this?
You've just gotta read some more!