Kylie Jenner is getting candid about a scary complication she had while pregnant with her and ex Travis Scott’s son, Aire. “I have had chronic back pain for three and a half years. It’s just starting to get better,” the Kylie Cosmetics founder explained on the “Therapuss with Jake Shane” podcast Wednesday. “But my son, my last pregnancy, it really took me out,” she added. Jenner shared that 12 weeks into her pregnancy, she woke up one day and was unable to walk. Kylie Jenner (seen above on a podcast) recalled the scary complication she had while pregnant with her and ex Travis Scott’s son, Aire. netflixpodcasts/Instagram “I have had chronic back pain for three and a half years. It’s just starting to get better. But my son, my last pregnancy, it really took me out,” she explained on the “Therapuss” podcast Wednesday (as seen above). netflixpodcasts/Instagram “I couldn’t leave my bed anyway because I was in so much back pain and sciatica pain,” the reality star recalled.…