“You as the mum-to-be, you're like, "Please don't come near me with that! I do not want that, I've got enough in here!"' she told the radio hosts.
But despite wanting to completely avoid getting down and dirty with her husband Jake Wall, Jen “loved” being pregnant.
“I was a whale, I loved it!” she said. “I was eating ice cream, it was so good.”
Back in August, the former Miss Universe and admitted to The Daily Telegraph that she actively “works” at keeping the intimacy alive in her marriage.
“You have to be a good wifey,” she said. “[Jake] is not just to the side.”
“You have to work on keeping it a bit sexy.”
Jen explained that she tries her best to “keep it together” and look good for the property developer while juggling the not-so-glamorous aspects of motherhood.
“Sometimes I will be sitting here at dinner [with a breast pump] and will go, ‘This is super sexy, isn't it, Jake?’” she continued.
The couple celebrated Frankie’s first birthday on October 17th and penned an adorable tribute to the youngster on Instagram.
“Our sweet girl Frankie Violet is ONE today! This year with her has been such a ride!!” Jen wrote.
“A dream come true! All the love, laughs, fun (+ nappies & chaos) - such a blessing!! We adore you cheeky monkey!!”
The brunette bombshell first expressed her desire to start a family in September 2018, after standing down as Myer’s ambassador after 12 years at the helm.
“I’d love to have a family, it's taking the time to look ahead. I want to have the time to be able to do that,” she said at the time.
Jen and Jake wed in Bali, Indonesia, in 2013, after eight years of dating. The pair initially crossed paths nearly two decades ago long before she was catapulted into stardom.
“It was one of those nights I didn’t intend [on] going out, and then I went out and I met this guy and slowly, we started a relationship,” Jennifer told Stellar in 2017 of their chance meeting.
"We think back and we can’t believe it. It honestly feels like another lifetime. We’ve grown up so much. I guess that’s what happens; sometimes you grow apart and some people grow together, and it’s been the latter of those two because it just feels like a real union. I don’t know how else to explain it, I don’t want to sound mushy."