Catelynn and Tyler face the hard realities of adoption--again

Birth mother Catelynn Lowell Baltierra

An anguished Catelynn Lowell Baltierra listens while her husband Tyler denounces Brandon and Teresa Davis, the adoptive parents of their first daughter, Carly.  Seven years ago, as teen parents, their surrender of their daughter was featured on MTV's reality soap opera 16 and Pregnant. MTV has followed Catelynn and three other teen moms who kept their babies, Amber, Staci, and Farrah, as they moved from adolescence into adulthood in a show now called "Teen Mom OG" (original girls).

On the latest episode, Teresa tells Catelynn in a telephone call that she does not want their