“Bachelor” Alum Courtney Robertson Is Pregnant with Baby No. 3: 'We're Having Another Boy!' (Exclusive)

The 'After Reality' podcast host shares son Joaquin, 3, and daughter Paloma, 2, with her husband, Humberto Preciado

Courtney Robertson is soon to be a mom of three!

Announcing the news exclusively with PEOPLE, the former Bachelor star shares she is pregnant, expecting her third baby, another son, with husband Humberto Preciado.

"We had always talked about wanting a big family," Robertson, 40, tells PEOPLE of life plans with the attorney, whom she married in 2020.

Luckily, the timing was perfect for the After Reality podcast host, who is based in Phoenix, Arizona, as she got to have her last "hurrah" with a big 40th birthday bash in July, "then I found out we got pregnant the month after."

"We just did all the testing. Everything's normal," Robertson shares. "Just a huge peace of mind. I am an old pro at this now. I knew I was pregnant right away because I just had all the same symptoms and I started craving sushi, which you can't eat when you're pregnant. That's a giveaway. And then I was craving bagels, so I was like, I think I'm pregnant."

Though Robertson says she has "turned a corner" in her second trimester with symptoms easing up, Preciado, 43, has been doing his best to give his wife a break from parenting their two toddlers, Joaquin Ramon, 3, Paloma Ruby, 2.

"My husband has just been a champ, really going above and beyond so I can rest as much as I can."

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Related: 'Bachelor' Alum Courtney Robertson Is 'Currently Deciding' on Baby No. 3: 'Leaning Towards Yes'

Despite the well-earned repose at times, Robertson says she prefers a bustling household and has been "savoring" this pregnancy, which she says will be her last. "So I'm savoring the bagels, savoring all the carbs. I know this will be our last one. So everything is the last time."

Additionally, the I Didn't Come Here to Make Friends author notes this pregnancy is exciting in a different way because she had both her son and daughter during the height of COVID.

"I had to mask both times and we weren't able to have family members come to the hospital. I didn't really have a proper baby shower and not that I will this time, but it's just going to be such a different experience having a baby without a pandemic going on."

Though Paloma just turned 2 and is still a little young to process the big news, the couple's son Joaquin "understands" and is already a proud big brother.

"My son's so excited. He understands. He's been telling the whole world, and obviously, we found out we're having a boy, and we opened that with both of our kids."

Related: 'Bachelor' Alum Courtney Robertson Welcomes Second Baby, Daughter Paloma Ruby: 'New Party of 4'

"I felt right away it was a boy because my symptoms were very similar to how they were with Joaquin. He was a cool customer," she laughs. "My symptoms were really mild. And then with Paloma, I was so sick, not throwing up, I just felt so much worse. And then I think I carried differently. And even this time around, I am showing the same way that I showed with Joaquin."

Adds Robertson, "Either way we would've been happy, but my daughter's going through her terrible twos right now, and there's been times where we're both like, 'okay, one girl's enough.' So we were really thrilled to have another boy."

While Paloma is "a bit sassy," Joaquin is more of a "rule follower" as the older sibling, Robertson says of her opposite little ones.

"I'm thinking the third might be even more wild. I love a wild card!"

Due in May, Robertson is hoping to deliver around Mother's Day, which has always been a tough time for her after losing her mom Sherry in 2019. "So a Mother's Day baby would be a nice surprise."

As for her labor plans this time around, Robertson says, "We really like the hospital experience. Have my mother-in-law watch the kids. And so we'll have two nights in the hospital with the baby."

"We played jazz music when both our kids were born," she shares of the tradition. "But then the day after the baby's born, I always get Whataburger. And have a glass of wine!"

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