well, i'm not the person to ask if you want to know if it does the job it's supposed to
but other than feeling it every now and then and thinking its moved, only to realise i'm feeling in the wrong place for it, and a wee bit of pain from it every now and then after lifting things a lot (which doesn't happen with everyone) it's been fine. once the scab's fallen off & you can wash it normally, you just forget about it
you can feel it in place, but that's not too bad
hormones did mess with my cycle a bit, i didn't have a period for about 5/6 months afterwards, but they come back regularly now a days
they're not always "real" periods either, and they can go away for a couple of days before coming back, but, not too much of a problem. everyone else i;ve asked hadn;t had this happen, so it's probably just my spazz-fanny
didn't really hurt going in, but they put my bandage on too tight afterwards, so i took it off when i got home & ended up bruising because of that