Photo: Kevin Mazur/WireImage

The reality star, 26, tells PEOPLE that while she does worry about suffering another painful loss, she’s determined to put the past behind her and move forward with her growing family.
“I think it’s always going to be in the back of somebody’s head when you struggle, like, with a miscarriage,” Catelynn says. “But I mean, I was just — I put it in God’s hands, really. Whatever happens is meant to happen and I just kind of go with whatever His plan is.”
Catelynn and her husbandTylershare 3-year-old daughterNovalee Reign, and 9-year-old daughterCarly, who they placed for adoption after she was born on16 and Pregnant.
Now, she’s most thrilled to see her youngest daughter interact with a younger sibling.
“I’m super excited to see Nova as a big sister,” she says. “She’s super excited. She always asks questions and now she’s at the point where she’s asking me how come it’s not coming out yet and I’m like, ‘Well, because it’s growing its arms and legs,’ and all that stuff.”
Catelynn Baltierra/Instagram

Catelynn has done her best to prepare Nova for her new responsibility as a big sister.
“I ordered a bunch of [big sister] books on Amazon and stuff like that,” she says. “We read those every night and I just answer her questions to the best of my ability.”
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“It was a huge shock at first. We were not planning it, especially after the miscarriage and how I went downhill with my mental illness,” she continued.
Catelynn and Tyler have been together for 13 years,celebrating their anniversaryin July.
source: people.com