The vagina is a hollow muscular tube about four inches long that connects the outside of the body to the cervix. It is surrounded by the labia minora and labia majora, which are folds of skin that protect and lubricate the entrance to the vagina. At the end of the vagina lies the cervix, which is a small, round structure that opens into the uterus. The cervix acts as a gatekeeper between the vaginal canal and the uterus, allowing for menstrual flow to exit the body during a woman's monthly cycle and blocking the passage of sperm during intercourse.
When a man enters a woman's vagina, his penis must pass through the external opening before reaching the internal walls of the vagina. As he moves inside her, he may encounter the G-spot, an erogenous zone located near the front wall of the vagina. Some women experience orgasmic pleasure from stimulation of this area, while others do not. In addition, there are several other areas in the vagina that can be stimulated for sexual pleasure, such as the clitoris, A-spot, U-spot, and O-spot.
During sexual activity, the vagina naturally secretes lubricant to help facilitate entry and promote comfort. This fluid is produced by glands in the cervical mucosa, the lining of the cervix. Vaginal dryness or discharge can indicate problems with hormonal balance or infection, so it is important to see a doctor if these symptoms persist. Women who have never had children may also find their vaginas to be less lubricated than those who have given birth.
The vagina is self-cleaning and does not require special cleansers or wipes. However, good hygiene practices include washing the outer genitalia with warm water and unscented soap, avoiding douches and feminine sprays, and changing tampons regularly during menstruation. To maintain optimal health, some experts recommend engaging in regular exercise, eating a balanced diet, and getting enough sleep. It is also recommended to refrain from smoking, drinking alcohol excessively, and using certain drugs.