Hellow guys, Welcome to my website, and you are watching 선생님 아이 몸무게는 어느 정도가 정상인가요? [4개월 아기 발달]. and this vIdeo is uploaded by 육아닥터 김숙자 at 2020-05-09T07:57:19-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.