Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

How old are babies when they start to smile?

1 Answer
ANSWER

Babies can smile in utero and right after birth. This is known as the smile reflex and is not in response to any external stimuli. This disappears around 2 months of age. Somewhere between 6 and 12 weeks they will begin genuinely smiling.

{{ relativeTimeResolver(1572270724233) }}
LIVE
Points points 291
Rating
Similar Questions
Science • 2 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Browse more Science questions.
Science • 2 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 4 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 3 Answers
ANSWER
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE
Science • 2 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 2 Answers
ANSWER
Science • 2 Answers
ANSWER
Browse more Science questions.
Science • 1 Answer
ANSWER
Science • 3 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 2 Answers
ANSWER
Science • 4 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 4 Answers
ANSWER
Science • 2 Answers
ANSWER
Science • 1 Answer
ANSWER

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Help Center Conditions of Use Privacy Notice

© 2010 - 2022, Amazon.com, inc. or its affiliates. All Rights Reserved.