Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Comment
. 2007 Nov 29;357(22):2306; author reply 2307.

Progesterone and preterm birth

John M O'Brien
  • PMID: 18050514
Comment

Progesterone and preterm birth

John M O'Brien. N Engl J Med. .
No abstract available

PubMed Disclaimer

Comment on

  • A trial of 17 alpha-hydroxyprogesterone caproate to prevent prematurity in twins.
    Rouse DJ, Caritis SN, Peaceman AM, Sciscione A, Thom EA, Spong CY, Varner M, Malone F, Iams JD, Mercer BM, Thorp J, Sorokin Y, Carpenter M, Lo J, Ramin S, Harper M, Anderson G; National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network. Rouse DJ, et al. N Engl J Med. 2007 Aug 2;357(5):454-61. doi: 10.1056/NEJMoa070641. N Engl J Med. 2007. PMID: 17671253 Clinical Trial.
  • Progesterone and the risk of preterm birth among women with a short cervix.
    Fonseca EB, Celik E, Parra M, Singh M, Nicolaides KH; Fetal Medicine Foundation Second Trimester Screening Group. Fonseca EB, et al. N Engl J Med. 2007 Aug 2;357(5):462-9. doi: 10.1056/NEJMoa067815. N Engl J Med. 2007. PMID: 17671254 Clinical Trial.

Substances