An official website of the United States government
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.
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.
Shennan AH, Halligan AW.Shennan AH, et al. Among authors: halligan aw.Baillieres Best Pract Res Clin Obstet Gynaecol. 1999 Mar;13(1):1-26. doi: 10.1053/beog.1999.0003.Baillieres Best Pract Res Clin Obstet Gynaecol. 1999.PMID: 10746090Review.
Peek M, Shennan A, Halligan A, Lambert PC, Taylor DJ, De Swiet M.Peek M, et al.Obstet Gynecol. 1996 Dec;88(6):1030-3. doi: 10.1016/S0029-7844(96)00350-X.Obstet Gynecol. 1996.PMID: 8942848Clinical Trial.
Gupta M, Shennan AH, Halligan A, Taylor DJ, de Swiet M.Gupta M, et al.Br J Obstet Gynaecol. 1997 Mar;104(3):350-5. doi: 10.1111/j.1471-0528.1997.tb11467.x.Br J Obstet Gynaecol. 1997.PMID: 9091015
Halligan A, Shennan A, Lambert PC, de Swiet M, Taylor DJ.Halligan A, et al.Obstet Gynecol. 1996 Feb;87(2):205-8. doi: 10.1016/0029-7844(95)00379-7.Obstet Gynecol. 1996.PMID: 8559524
Shennan A, Halligan A, Gupta M, Taylor D, de Swiet M.Shennan A, et al.Br J Obstet Gynaecol. 1996 Feb;103(2):171-3. doi: 10.1111/j.1471-0528.1996.tb09671.x.Br J Obstet Gynaecol. 1996.PMID: 8616136No abstract available.