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A therapeutic pessary is a medical device similar to the outer ring of a diaphragm. Therapeutic pessaries are used to support the uterus , vagina , bladder , or rectum . [ 12 ] Pessaries are most commonly used for pelvic organ prolapse and considered a good treatment option for women who need or desire non-surgical management or future ...
The womb veil was a 19th-century American form of barrier contraception consisting of an occlusive pessary, i.e. a device inserted into the vagina to block access of the sperm into the uterus. Made of rubber, it was a forerunner to the modern diaphragm and cervical cap . [ 1 ]
Cervical pessary is a medical device used to treat an incompetent (or insufficient) cervix (cervix starts to shorten and open too early). Early in the pregnancy a round silicone pessary is placed at the opening to the cervix to close it, and then it's removed later in the pregnancy when the risk of a preterm birth has passed.
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Mensinga “occlusive pessary” (1911) Photo of Caya diaphragm. The idea of blocking the cervix to prevent pregnancy is thousands of years old. Various cultures have used cervix-shaped devices such as oiled paper cones or lemon halves, or have made sticky mixtures that include honey or cedar resin to be applied to the cervical opening. [45]
In 1991, a study on suppository insertion in The Lancet found that the "torpedo" shape helps the device to travel internally, increasing its efficacy. [5] The findings of this single study have been challenged as there is insufficient evidence on which to base clinical practice. [ 6 ]