Birdwatch Note Rating
2023-04-14 13:25:37 UTC - HELPFUL
Rated by Participant: 625A2B993EDB2A522C381071D93C22B039D0A18CF760D9AD897A5DD4519EFCC8
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