Stephen J. Schueler, M.D.

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Labor Premature Anatomy

To better understand premature labor, it helps to understand the anatomy of the uterus, cervix, and Fallopian tubes.

Anatomy of the female reproductive tract includes:

  • The uterus, cervix, and vaginal canal
  • The bladder
  • The fallopian tubes:
    • These paired structures connect each ovary to the uterus
  • The ovaries:
    • One on each side of the uterus. A normal adult ovary is about the size of an unshelled almond
  • Female organs during a pelvic examination

The fetus grows within the amniotic sac within the uterus:
  • The fetus within the amniotic sac
  • The near term fetus within the uterus
  • Ultrasound of fetus and placenta

Last Updated: Nov 4, 2008 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Labor Premature References
  1. Besinger RE. Preterm labor, premature rupture of membranes, and cervical incompetence. Curr Opin Obstet Gynecol. 1993 Feb;5(1):33-9. [8425033]
  2. Gjerdingen DK. Premature labor, Part II: Management. J Am Board Fam Pract. 1992 Nov-Dec;5(6):601-15. [1462794]
  3. Mercer BM, Lewis R. Preterm labor and preterm premature rupture of the membranes. Diagnosis and management. Infect Dis Clin North Am. 1997 Mar;11(1):177-201. [9067791]
  4. Newton ER. Preterm labor, preterm premature rupture of membranes, and chorioamnionitis. Clin Perinatol. 2005 Sep;32(3):571-600. [16085021]
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