Authors / metadata

  • Authors: Amal Drizi (1)
  • Affiliation: (1) Independent consultant Ob/Gyn Algiers, Algeria

DOI: 10.36205/trocar1.2022004

Description of the Endometrium at the different phases of the Menstrual Cycle (A Handout)


On demand of a specific entity in New Zealand a practical handout based on images backed up by histology was conceived to help the junior residents to interpret the endometrial lining of the uterine cavity. The description of the vaginal epithelium and the cervical lining are not included in the handout.

Material and Methods

The description of the endometrium is based on histological bases to explain the different layers under the surface epithelium – visible with the diagnostic hysteroscope. These findings are then correlated with the visible features, through the hysteroscope in a non-contact mode. These findings are related to the morphologic and histologic changes allowing for the dating of the endometrium. The different specific phases of the endometrial cycle are described by pictures.


The histological features of the Endometrium are correlated with the hysteroscopic aspect and can be a guide to screen the Endometrium during diagnostic procedures. However, the final diagnosis remains with the pathologist.



  • 1: Garbin O. Physiologie et physiopathologie de l’endomètre: apport de l’hystéroscopie. In Hystéroscopieet fertiloscopie. Fernandez H, Garbin O, Gervaise A edts Elsevier Masson SAS 2013: 17-30.
  • 2: van Herendael BK, Stevens MJ, Flakiewicz-Kula A, Hänsch Ch. Dating of the Endometrium byMicrohysteroscopy. Gynecol Obstet Invest 1987; 24:114-18.
  • 3: Mazur MT, Kurman RJ. Normal Endometrium and Infertility Evaluation. In : Diagnosis of EndometrialBiopsies and Curettings Mazur MT, Kurman RJ edts. Springer New York 2005 DOI:Https://