Birdwatch Note Rating
2023-04-14 14:26:03 UTC - HELPFUL
Rated by Participant: 1B189614AE0E63CA6BD64EFCEFB2745E6974515D5D184C74E0C0F40581A70DB0
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