Mental Cup and Vaginal Muscles
Will the menstral cup cause your vaginal muscles to become loose? Will it stretch you out wearing something large like that for hours?
The vagina is like a rubber band or balloon. It will stretch upward and outward 200 times its normal size to accommodate various shapes, sizes, lengths, widths…etc., and then return to its normal shape/size (or very close to it) fairly quickly.
You may lose tone in the Pelvic Floor Muscle (PFM) for various reasons; age, childbirth, obesity, but a menstrual cup will not be the cause of it. Weak PFM can be toned again with proper exercises.