Jan 09, 2015  · It’s worshipped in some cultures, taboo in others, but ultimately, the vagina is an amazingly versatile muscular tube with a variety of functions: birth. The warning signs include ongoing pain or cramps in the belly or back, abnormal vaginal bleeding, nausea. articles, 1. Standard Type (+V): This is the most common type of vagina. However, it is most common among medium sized women with protruding hips. Flexicontent…