However, Matt and Melissa - who has two children from a previous relationship - are hopeful their daughter can go on to lead a healthy and fulfilling life. The friend added: "Experts say there is plenty of hope for children with this condition. Matt and Melissa are staying strong for Marina.

"Right now they are just praying that everything goes OK with Marina. The condition can be treated - and Matt and Melissa have high hopes that Marina will have an active and fulfilling life."