He has wanted to become a father more than anything in the world."
Despite the tragedy the experience is said to have brought the Hollywood couple closer together and even more determined to try for another child.
The source added: "Brad was a total wreck over the miscarriage.p>But he did everything possible to tend to Jen.
It was by far the biggest test of their love."
Aniston, 35, has been desperate to have a child for the past year and it was of the reasons why she decided to quit the hit US show 'Friends'.
Earlier last week she was spotted visiting former co-star Courtney Cox, who suffered a series of miscarriages before recently giving birth to a baby girl, Coco.