Fifteen years after placing biological daughter Carly for adoption — and amid a years-long feud with Carly's adoptive parents — Teen Mom star Catelynn Baltierra wishes she did multiple things differently when choosing a couple to be Carly's mom and dad.

Catelynn Lowell tells PEOPLE about the recent difficulties of her adoption journey and what it's like navigating those complicated feelings with husband Tyler Baltierra and their three daughters — Rya,

Catelynn Baltierra, who was 16 when she placed biological daughter Carly for adoption, has been calling out Carly's adoptive parents on social media for months.

Catelynn and Tyler Baltierra placed their eldest daughter, Carly, for adoption in 2009. She shares what parents should know about adoption from her perspective.

Teen Mom's Catelynn Lowell says she currently has no communication with her biological daughter Carly, whom she placed for adoption in 2009. "The last time I saw Carly was, like, two years ago," Lowell,