Birdwatch Note Rating
2023-04-14 19:17:13 UTC - HELPFUL
Rated by Participant: B228CFDAAC8B4A3FBA9EF7BA0D93D6F3CD5D0D7556D5A9CA236D7C5B7E10EA99
Participant Details
Original Note:
The embryonic heart begins beating by 22 days post-fertilization & actively pumps blood by the end of gestational week 4. https://www.karger.com/Article/Fulltext/501906 Video of beating heart at 4 weeks 4 days post-fertilization (6 weeks 4 days since last menstrual period). https://www.ehd.org/movies/21/The-Heart-in-Action
All Note Details