Vaginismus
| Vaginismus | |
|---|---|
 |
|
| Muscles included | |
| Classification and external resources | |
| Specialty | Gynecology |
| ICD-10 | F52.5, N94.2 |
| ICD-9-CM | 306.51 625.1 |
| DiseasesDB | 13701 |
| MedlinePlus | 001487 |
| MeSH | D052065 |
Vaginismus, sometimes called vaginism and genito-pelvic pain disorder, is a condition that affects a woman's ability to engage in vaginal penetration, including sexual intercourse, manual penetration, insertion of tampons or menstrual cups, and the penetration involved in gynecological examinations (pap tests). This is the result of an involuntary vaginal muscle spasm, which makes any kind of vaginal penetration painful or impossible. While there is a lack of evidence to definitively identify which muscle is responsible for the spasm, the pubococcygeus muscle, sometimes referred to as the "PC muscle", is most often suggested. Other muscles such as the levator ani, bulbocavernosus, circumvaginal, and perivaginal muscles have also been suggested.
A woman with vaginismus does not consciously control the spasm. The vaginismic reflex can be compared to the response of the eye shutting when an object comes towards it. The severity of vaginismus, as well as the pain during penetration (including sexual penetration), varies from woman to woman.
A woman is said to have primary vaginismus when she is unable to have penetrative sex or experience vaginal penetration without pain. It is commonly discovered in teenage girls and women in their early twenties, as this is when many girls and young women first attempt to use tampons, have penetrative sex, or undergo a Pap smear. Women with vaginismus may be unaware of the condition until they attempt vaginal penetration. A woman may be unaware of the reasons for her condition.
A few of the main factors that may contribute to primary vaginismus include:
Primary vaginismus is often idiopathic.
Vaginismus has been classified by Lamont according to the severity of the condition. Lamont describes four degrees of vaginismus: In first degree vaginismus, the patient has spasm of the pelvic floor that can be relieved with reassurance. In second degree, the spasm is present but maintained throughout the pelvis even with reassurance. In third degree, the patient elevates the buttocks to avoid being examined. In fourth degree vaginismus (also known as grade 4 vaginismus), the most severe form of vaginismus, the patient elevates the buttocks, retreats and tightly closes the thighs to avoid examination. Pacik expanded the Lamont classification to include a fifth degree in which the patient experiences a visceral reaction such as sweating, hyperventilation, palpitations, trembling, shaking, nausea, vomiting, losing consciousness, wanting to jump off the table, or attacking the doctor. The Lamont classification continues to be used to the present and allows for a common language among researchers and therapists.
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