Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 선생님 아기가 목을 못 가누면 발달지연인가요? [3개월 아기 발달]. That video is uploaded by 육아닥터 김숙자 at 2020-04-30T18:00:05-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [ID2mAp38Xlg]