In a recent interview with Katie Couric, Jackman opened up about his and Furness's ongoing battle to conceive, which included experimentation with in vitro fertilisation.
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He said: "Biologically obviously we tried and it was not happening for us and it is a difficult time. We did IVF and Deb had a couple of miscarriages.
"I'll never forget it, the miscarriage thing - it happens to one in three pregnancies, but it's very, very rarely talked about. It's almost secretive, so I hope Deb doesn't mind me bringing it up now."
Jackman advocated an open discussion about difficult pregnancies, adding: "It's a good thing to talk about it. It's more common, and it is tough. There's a grieving that you have to go through."
The couple have since adopted two children, 12-year-old Oscar and 7-year-old Ava.
Both children and Furness were present at a recent ceremony honouring Jackman with a star on the Hollywood Walk of Fame.
His latest film, Les Misérables, comes out on December 25 in the US and UK.
Watch a preview of Hugh Jackman on Katie below:
Photo gallery - Hugh Jackman on Hollywood Walk of Fame:
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