The data that support this letter are openly available in: BJOG. 2023;130(1): 42–50. doi: 10.1111/1471-0528.17286. Am J Obstet Gynecol. 2022;226(6): 837.e1–837.e13. doi: 10.1016/j.ajog.2021.12.030. J Matern Fetal Neonatal Med. 2022. doi: 10.1080/14767058.2022.2154572. Am J Obstet Gynecol MFM. 2022;5(2): 100802. 10.1016/j.ajogmf.2022.100802. Data S1. Data S2. Data S3. Data S4. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.