Hi karen
Welcome to the forum, you might want to have a look at the following FAQ which explains where everything is
Welcome to Benefits and Work I've moved your post to its own topic, we ask members not to post their questions in other member's topics as it can lead to the wrong advice being given or taken.
In answer to your question, yes your claim would stop.
If you have not received a review letter 6 months before your claim ends then I would contact the DWP and ask.
Gary