Birdwatch Note Rating
2023-04-14 19:56:57 UTC - HELPFUL
Rated by Participant: 49C24AB75F21A3BF63EEE51993341E089BADC6E2908580C9235AC2537DC256F4
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