Device response as a function of time for a series of insertion and removal periods in a sheep vaginal model. The black trace is the logged data (1 min logging interval) retrieved from the device at the study conclusion. The actual time for removal and insertion events is indicated by the symbols above the black trace. The gray trace shows the temperature as a function of time for the three ring dispositions: water bath (50°C) sheep vaginal temperature measured at the start of the study (39°C), and ambient laboratory temperature (25°C).