Saint West? Kim Kardashian's step child!

She's been keeping a low profile since welcoming her son Saint West a month ago. But Kim Kardashian ventured out in public for a rare appearance after giving birth as she headed to a doctor's appointment in Beverly Hills on Monday. The reality star covered up in a fuzzy black coat as she headed to a medical check-up. Scroll down for video Low profile: Kim Kardashian made a rare public appearance after giving birth to son Saint West in December +4Edit Low profile: Kim Kardashian made a rare public appearance after giving birth to son Saint West in December Kim Kardashian wears boxer braids and chic black fuzzy coat Loaded: 0%Progress: 0:00 Play Mute Current Time 0:00 / Duration Time 0:39 Fullscreen Need Text The 34-year-old and rapper husband Kanye West welcomed their son Saint West on December 5. Kim at first looked serious and kept her gaze low as she walked through the parking lot. But she later flashed a smile and giggled as she joked with a female friend while waiting for the elevator. The Keeping Up With The Kardashians star previously said she gained 60 pounds while being pregnant, which she described as a 'miserable' experience. Good mood: The reality star giggled with a female friend as they waited for the elevator +4Edit Good mood: The reality star giggled with a female friend as they waited for the elevator Wrap up warm this winter in a black furry coat like Kim Read more:  here!