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Concept
Dilation and curettage
Summary
Dilation (or dilatation) and curettage (D&C) refers to the dilation (widening/opening) of the cervix and surgical removal of part of the lining of the uterus and/or contents of the uterus by scraping and scooping (curettage). It is a gynecologic procedure used for diagnostic and therapeutic purposes, and is the most commonly used method for first-trimester miscarriage or abortion.
D&C normally refers to a procedure involving a curette, also called sharp curettage. However, some sources use the term D&C to refer to any procedure that involves the processes of dilation and removal of uterine contents, which includes the more common suction curettage procedures of manual and electric vacuum aspiration.
D&Cs may be performed in pregnant and non-pregnant patients, for different clinical indications.
A D&C may be performed early in pregnancy to remove pregnancy tissue, either in the case of a non-viable pregnancy, such as a missed or incomplete miscarriage, or an undesired pregnancy, as in a surgical abortion. Medical management of miscarriage and medical abortion using drugs such as misoprostol and mifepristone are safe, non-invasive and potentially less expensive alternatives to D&C.
Because medication-based non-invasive methods of abortion now exist, dilation and curettage has been declining as a method of abortion, although suction curettage is still the most common method used for termination of a first-trimester pregnancy. The World Health Organization recommends D&C with a sharp curette as a method of surgical abortion only when manual vacuum aspiration with a suction curette is unavailable.
For patients who have recently given birth, a D&C may be indicated to remove retained placental tissue that does not pass spontaneously or for postpartum hemorrhage.
D&Cs for non-pregnant patients are commonly performed for the diagnosis of gynecological conditions leading to abnormal uterine bleeding; to remove the excess uterine lining in women who have conditions such as polycystic ovary syndrome; to remove tissue in the uterus that may be causing abnormal uterine bleeding, such as endometrial polyps or uterine fibroids; or to diagnose the cause of post-menopausal bleeding, such as in the case of endometrial cancer.
Official source
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