Hello, I have only just found this section despite being on MN for about 5 years!
After 5 miscarriages and treatment for breast cancer, I don't think I will be able to give my 4 year old DD a sibling 
When I finish my treatment I will be 43. I had all the tests after 3 miscarriages and they could find nothing wrong with me, I then went on to have 2 more miscarriages, then was diagnosed with cancer.
DD is a very happy little thing, and has never asked for a sibling. But I worry she may want a sibling in the future. We live in a bit of a baby boom area (lots of her peers have 2 or 3 siblings), and she may become lonely/bored without a sibling.
So, I was hoping some of you lovely lovely MNetters could cheer me up with positive stories of being/having just one DC. Also, what can I do to ensure DD remains happy and has a happy childhood to look back on when she grows up, because of/despite being an only?