The reality star and husband Lamar Odom have been trying to conceive for some time and in the final installment of their show Khloe & Lamar she finally crumbles under the pressure after another round of fertility testing.

She tells Lamar: "I'm sorry for snapping at you and being on edge lately but I've been holding a lot of stuff in and trying not to bother you, but I've been freaking out about why I'm not pregnant. It's scary [thinking], ‘Oh God, what if I physically can't have kids’.”Odom, who married Kardashian in 2009 after just 32 days together, was more optimistic. "It'll work out. If something is wrong, that doesn't affect anything [we're] going to do [as a couple]," he said. "We're not going to give up."