'Teen Mom' Catelynn Lowell, Tyler Baltierra regret adoption: is it postpartum depression?

Does Catelynn Lowell of "#Teen Mom OG" regret putting her daughter Carly up for adoption? She's hurt that the girl's adoptive parents won't let her see her child, despite the adoption agreement backing their decision. Are those the health issues her husband Tyler Baltierra expressed concern over? The "Teen Mom" star seems upset over Carly but could the birth of baby Novalee be driving it? Her affect sounds remarkably like postpartum #depression described by singer Adele. 'Teen Mom' Catelynn Lowell, Tyler Baltierra regret adoption: is it postpartum depression?