The vagina is an elastic muscular tubular education and an internal female sexual organ.
The structure of the vagina
The vagina is located in the pelvic cavity. In front of him are the bladder and urethra, and behind him is adjacent rectum. On top of the vagina covers the cervix, the bottom it opens a hole in the vaginal vestibule. A virgin vagina closes hymen. Rear and front vaginal wall in contact with each other, whereby the inner vaginal cavity has a slit shape.
During intercourse, the vagina is the successor of the penis, it is going to seed, and during childbirth, it acts as a birth canal, through which, after completion of their fetal development comes from the uterus to the outside.
The thickness of the vaginal wall is 3-4 mm, and its length - from 7 to 12 cm.
Allocate the front, rear and two side walls of the vagina. They consist of several layers:
- Inner layer - is represented mucosa forming multiple folds.
- Middle layer - is formed smooth muscles. Most muscle bundles longitudinally oriented, but there are beams with circular layout. In the lower part of the vaginal muscle bundles tightly intertwined with the muscles of the perineum, and the top will go directly into the uterine muscles.
- The outer (adventive) layer consists of connective tissue fibers.
The vagina during pregnancy
During pregnancy in women hormonal changes occur that lead to changes from connective and muscular tissue of the vagina. Blood supply vaginal wall increases as a result they become bluish (cyanotic) tinge.
The epithelium of the vagina during pregnancy thickens and strengthens the processes of its exfoliating. This increases the amount of vaginal discharge.
Changes in the vagina during pregnancy lead to a change in its microbial flora. Therefore, pregnant women often develop mycoplasma and yeast colpites.
Quite often the cause of women's access to the gynecologist are inflammatory diseases of the vagina - colpites (vaginitis). The most common cause of vaginitis are sexually transmitted infections. Besides inflammation can be caused by microorganisms or fungi, which are always present in the vaginal cavity. With age, the body's production of estrogen decreases women, which may also lead to the development of obesity, called atrophic.
When coleitis women complain: burning in the vagina and the emergence of a discharge. When inflammation of the vagina caused by gonococci, purulent, greenish-yellow, and the consistency of thick cream. When the burning sensation in the vagina and stinking yellowish-brown or greenish-white frothy be suspected Trichomonas colpitis. Vaginal discharge during bacterial vaginosis have a faint smell of raw fish. If vaginitis caused by yeast genus Candida, the women suffer itching in the vagina, and the appearance of white cheesy discharge. In order to accurately determine the type of pathogen causing the disease and prescribe proper treatment, the doctor takes a woman tests (smear, bacteriological seeding with sensitivity to antibiotics).
Itching in the vagina
Virtually every adult woman is familiar with this problem, such as itching in the vagina. Lead to the emergence of the following factors may be:
- Overheating or overcooling;
- Wearing very close or coarse underwear;
- Various annoying environmental factors;
- Psychogenic factors (stress, fear);
- Taking certain medicines.
The cause of itching in the vagina may be some diseases: hypothyroidism, hyperthyroidism, lymphoma, leukemia, iron deficiency anemia, kidney failure, hepatitis, diabetes. Therefore, if the itching in the vagina going on for several days, you should always consult a doctor.