'90 Day Fiancé's Loren and Alexei on Scary Birth Experience With Their Daughter (Exclusive)

'90 Day Fiancé's Loren and Alexei chat with ET’s Melicia Johnson about the risky birth of their daughter, Ariela, and her experience in the NICU. The parents of three also open up about how their sons, Asher, 1, and Shai, 2, are adapting to life with their baby sister. 'Loren & Alexei: After the 90 Days' airs Mondays at 10:30 p.m. ET/PT on TLC and Discovery+.