A D&C (dilation and curettage) and a D&E (dilation and evacuation) both involve opening the cervix and removing tissue from the uterus, but they differ in when they’re used, what instruments are involved, and how much preparation the body needs beforehand. The key dividing line is gestational age: a D&C is typically performed in the first trimester (up to about 13 weeks), while a D&E is designed for the second trimester, roughly 14 to 24 weeks. Beyond timing, a D&C also has a role outside of pregnancy entirely, as a diagnostic tool for conditions like abnormal bleeding.
When Each Procedure Is Used
A D&C is the more versatile of the two. It’s used to manage early pregnancy loss (miscarriage), to end a first-trimester pregnancy, and to investigate gynecological problems that have nothing to do with pregnancy. If you have abnormal or excessive uterine bleeding, a D&C allows a sample of the uterine lining to be collected and examined under a microscope. This can help identify fibroids, polyps, endometrial cancer, or hormone imbalances, particularly around menopause. It’s also sometimes part of an infertility workup.
A D&E is specifically a pregnancy procedure, used when the pregnancy is further along and the uterus holds more tissue. It may be performed after a second-trimester pregnancy loss (sometimes called a fetal demise) or to end a pregnancy in the second trimester. Because the tissue is larger and the uterus is bigger at this stage, a D&E requires different instruments and more extensive preparation than a D&C.
How the Instruments Differ
Both procedures start the same way: the cervix is gradually opened using a series of progressively thicker rods called dilators. Once the cervix is open, the approach diverges.
In a D&C, a curette (a long, thin instrument with a spoon-shaped or loop-shaped tip) is inserted through the cervix into the uterus. The curette is drawn along the uterine walls in a sweeping motion to remove tissue. Suction is often applied at the same time, either through an electric vacuum or a handheld syringe device. For diagnostic purposes, a sharp metal curette is common. For pregnancy-related D&Cs, plastic curettes or suction cannulas are more typical because they’re gentler on the uterine wall.
A D&E uses suction as well, but also requires surgical forceps to remove larger tissue that suction alone can’t handle. The forceps are the defining instrument that separates a D&E from a D&C. The cervix also needs to be opened wider to accommodate these instruments, which is why cervical preparation is a bigger part of the process.
Cervical Preparation Takes Longer for a D&E
For a first-trimester D&C, cervical dilation is usually done right before the procedure using mechanical dilators, sometimes with a dose of medication to soften the cervix. The entire visit, from preparation to completion, can happen in a single appointment.
A D&E, especially between 20 and 24 weeks, typically requires at least one day of cervical preparation before the procedure itself. Small rods made from dried seaweed (called laminaria) or a synthetic alternative are inserted into the cervix the day before. These rods absorb fluid from surrounding tissue and slowly expand, gradually widening the cervix over several hours. Laminaria reach their maximum expansion after about 24 hours, swelling to roughly three times their dry width. Synthetic versions expand faster, reaching near-maximum size in four to six hours, though they continue widening over a full day. This overnight preparation is sufficient for most D&Es in the 20-to-24-week range, though some cases may call for additional medication to help soften the cervix further.
Anesthesia and Setting
A D&C can be performed under several types of anesthesia. Some patients receive local anesthesia (numbing only the cervix), others get deep sedation, and some undergo general anesthesia where they’re fully asleep. The choice often depends on the clinical setting. D&Cs done in a labor and delivery suite tend to use sedation, while those in a main operating room more often use general anesthesia. Many first-trimester D&Cs are performed in outpatient clinics or office settings. A large review of over 62,000 procedures performed under deep sedation in outpatient settings found that only one patient required a breathing tube, suggesting the safety profile of sedation for these procedures is strong.
A D&E generally requires deeper sedation or general anesthesia because it’s a longer, more involved procedure. It’s more commonly performed in a hospital or surgical center rather than a clinic, though practices vary by region and provider experience.
Safety and Complication Rates
Both procedures are considered safe. The most commonly discussed risks include uterine perforation (the instrument passing through the uterine wall), infection, and heavy bleeding. In practice, these complications are uncommon for both D&C and D&E.
When researchers have compared D&E to the main alternative for second-trimester cases (inducing labor with medication), D&E comes out favorably. One study found that the overall complication rate for D&E was 10%, compared to 43% for labor induction. For pregnancies under 20 weeks specifically, D&E’s complication rate was 9% versus 50% for induction. Infection rates requiring IV antibiotics were also significantly lower in the D&E group. There were no uterine perforations in either group in that study, and blood loss and transfusion rates were similar.
Recovery After Each Procedure
Recovery from a D&C is relatively quick. Most people return to normal activities within five days or fewer. Mild cramping and light spotting for a few days afterward is normal. Pads rather than tampons are recommended for any bleeding, and sexual activity is typically postponed for about a week.
Recovery from a D&E follows a similar pattern but can take slightly longer, reflecting the greater degree of cervical dilation and tissue removal involved. Cramping may be more noticeable, and bleeding can last longer. The cervix needs time to return to its normal state after being dilated more extensively, so restrictions on tampons and intercourse may extend further. Your provider will give specific guidance based on how far along the pregnancy was and how the procedure went.
The Core Distinction
The simplest way to think about it: a D&C uses a curette and suction to remove tissue from an early-stage or non-pregnant uterus. A D&E adds forceps and requires more cervical preparation because the uterus is larger and holds more tissue in the second trimester. A D&C can serve both diagnostic and treatment purposes outside of pregnancy. A D&E is exclusively a pregnancy procedure. Both are well-established, safe options for the clinical situations they’re designed to address.