新生儿知识竞答 Newborn Trivia
Chillchat (Learn Chinese and Chill)
00:00
When Do Fingerprints Form?
They ask when fingerprints develop and explain that fetal fingerprints form around 20 weeks in utero.
Play episode from 08:51
Transcript
They ask when fingerprints develop and explain that fetal fingerprints form around 20 weeks in utero.
