Teen Mom: The Next Chapter star Catelynn Lowell hit back at accusations that her husband, Tyler Baltierra, made up his autism diagnosis. "It's not like we sit here and brainstorm [ideas], like, 'Let's pretend you're f***ing autistic. Let's pretend that I had a miscarriage or that I'm struggling with my mental health,'" Catelynn, 33, told Tyler, 33, as he laughed on their "Cate and Ty Break It Down" podcast on Wednesday, September 10.