Blu - tahanks for your post. No, it is incredibly uncommon for it to deteriorate, and many hospitals discharge them as soon as the hip is treated. However, Alder Hey monitor them until they are five.
Pavliks are around 90% effective, and most of the literature states that once corrected, we need expect no further treatment. At her annual check last year, the nurse said she was, 'Normal, but on the verge of normal'. When I queried that, she said, 'As she starts walking (she wasn't walking then), and weight bearing more and more, she will just move more into the normal range'. I had got myself into such a state over that checkup, that I contacted Alder Hey a couple of weeks beforeand they told me to come in that day and have her checked, as they were so sure that everything would be fine.
here is the link for the lady who said her toddler was uncomfortable on her hip. After rigorous testing last night , we have concluded that dd is fine on my hip.
SOH - I can't believe I never knew that!