How to Determine Which Size of Speculum to Use
A small broom-like device is used to collect cells from the cervix. Cells are dropped into a vial. Graves Vaginal Speculum A speculum is used to open the vagina and examine the cervix. . In the next year Michelson and Pease measured the diameters of 6 more red giants before reaching the resolution limit of the 20 foot beam interferometer. By December 1920 Michelson and Pease were able to use the equipment to determine the precise diameter of a star the red giant Betelgeuse the first time the angular size of a star had ever been measured. If you feel pain be sure to let your doctor or nurse know. You may feel some discomfort but you should not feel pain. This allows the speculum to be inserted more easily. Breasthe deeply to help calm your muscles.