and they talked about life with three kids -- sons Shai and Asher as well as daughter ... Loren says it's surprisingly a possibility. "I miss it," she admits. "[Alexei] said, 'Oh, you're gonna ...

ET spoke to Loren and Alexei and she admitted she has 'baby fever.' The couple also addressed how long they'll stay on the show. Loren spoke to ET about her controversial "natural mommy makeover ...