United Kingdom, June 23 -- Ioan Gruffudd's pregnant wife Bianca Wallace has been left "unable to function" after struggling with intense morning sickness.

The couple - who married in April - recently confirmed they are expecting their first child together and Bianca has admitted her first trimester has been "rough" because she injured her back when she "vomited so aggressively" and it left her bedridden for days.

In a video posted on Instagram, she was seen lying in bed as she told her followers: "I've thrown my back out so f****** bad vomiting, I can't function.

"I can't sleep, I'm in so much pain. I can't function. Really enjoying being pregnant."

She added in the caption: "Life lately . Some real moments, because no one needs to be...