Hunt, Kelly J. http://orcid.org/0000-0001-8999-3587
Ferguson, Pamela L. http://orcid.org/0000-0002-4210-2625
Bloom, Michael S. http://orcid.org/0000-0002-0028-5494
Neelon, Brian
Pearce, John
Commodore, Sarah
Newman, Roger B.
Roberts, James R.
Bain, Lisa
Baldwin, William
Grobman, William A.
Sciscione, Anthony C.
Tita, Alan T.
Nageotte, Michael P.
Palomares, Kristy
Skupski, Daniel W.
Zhang, Cuilin
Wapner, Ronald
Vena, John E.
Article History
Received: 29 November 2023
Revised: 16 April 2024
Accepted: 17 May 2024
First Online: 1 June 2024
Competing interests
: RBN receives book royalties for “When You’re Expecting Twins, Triplets, or Quads” published by HarperCollins. KP has grants from Natera, Pfizer, and Sequenom. The authors declare no other actual or potential competing financial interests.
: No identifiable images are being published. Written informed consent was obtained from the parent or legal guardian of each child. Depending on child age and state regulation child assent was obtained. The study was approved by the Medical University of South Carolina Institutional Review Board (IRB No. Pro00070764) and a Central IRB at Columbia University Medical Center (IRB No. IRB-AAAR4976) and by all the participating sites and all methods were performed in accordance with the relevant guidelines and regulations.