1. Intra-cycle variation of the uterine cavity indentation assessed with three-dimensional ultrasound in natural and stimulated cycles 
Sotirios H. Saravelos, Tin-Chiu Li 
Reproductive BioMedicine Online 
Volume 32, Issue 5, Pages (May 2016)
DOI: /j.rbmo
Copyright © 2016 Reproductive Healthcare Ltd. Terms and Conditions

2. Figure 1
Example of a uterus demonstrating a 200% cavity indentation in the proliferative phase, and a 100% cavity indentation in the luteal phase of a natural cycle.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2016 Reproductive Healthcare Ltd. Terms and Conditions

3. Figure 2
Example of a uterus demonstrating a 100% cavity indentation on the first day of stimulation, and a 25% cavity indentation on the final day of stimulation of an ART treatment cycle.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2016 Reproductive Healthcare Ltd. Terms and Conditions