Birdwatch Note Rating
2021-09-04 13:41:59 UTC - HELPFUL
Rated by Participant: AF747FCB77E7CE4C4009BEB9DF818801F36EF2F76F04A5F99C6BA609346C333C
Participant Details
Original Note:
Fetal heartbeat begins week 4. At around 18-19 days after fertilization, the heart begins to form. Early in the 4th week, around day 22 the developing heart starts to beat & pump blood. Larsen, William (2001). Human Embryology (3rd ed.). pp. 159–163. ISBN 978-0-443-06583-5 https://en.m.wikipedia.org/wiki/Heart_development
All Note Details