Not easy conceiving: Khloe Kardashian
Khloe married her basketball player partner in September 2009 and since she has continued to undergo fertility treatment in the hope of starting a family.
The 28-year-old admitted she "never knew all the difficulties" associated with trying to get pregnant.
"My mum has so many kids, and Kourtney pops them out like a PEZ dispenser, so you think it's, like, so easy. You realise it's not as easy as you might think," femalefirst quoted Khloe as saying.
Kourtney has a two-year-old son Mason and two months old daughter Penelope with partner Scott Disick.
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Date 11-09-14, Duration 0:42, Views 1581