Birdwatch Note Rating
2023-04-14 14:38:09 UTC - HELPFUL
Rated by Participant: 53898DB17ECDDB8648EEF935CB6A549F98569E6619DAFF240C313863886015F6
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