Catelynn Lowell and Tyler Baltierra are fighting to keep in touch with their 5-year-old daughter, Carly, whom they placed for adoption at birth.

‘In Touch’ has exclusively learned that Carly’s adoptive parents, Brandon and Teresa Davis, have threatened to cut off contact with the Teen Mom OG stars.

READ MORE: ‘Teen Mom OG’ Stars Catelynn and Tyler Share The First Pictures of Baby Novalee

“They’re not happy with Catelynn and Tyler’s behavior and refusal to follow the adoption rules,” an insider says in the new issue of ‘In Touch’ on newsstands now.

The insider tells ‘In Touch' the 23-year-olds, who are now also parents to daughter Novalee, 3 months, violated the Davis’ trust by posting photos of Carly on social media.

catelynn and tyler baby carly

Tyler and Catelynn with Carly, shortly after her birth in May 2009.

“Obviously, Brandon and Teresa are upset,” the insider explains. “They’re getting more concerned about Carly being in the public eye as she gets older. The relationship is really strained.”

For all the latest celebrity news, pick up this week’s issue of ‘In Touch Weekly,’ on newsstands now!