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The cervical mucus method, also called the ovulation method and the Billings ovulation method, is a type of natural family planning also known as fertility awareness-based methods. The cervical mucus method is based on careful observation of mucus patterns during the course of your menstrual cycle. Before ovulation, cervical secretions change — creating an environment Read more…

Cervical cerclage is a procedure in which stitches are used to close the cervix during pregnancy to help prevent pregnancy loss or premature birth. The cervix is the lower part of the uterus that opens to the vagina. Cervical cerclage can be done through the vagina (transvaginal cervical cerclage) or, less commonly, through the abdomen Read more…

The cervical cap is a birth control (contraceptive) device that prevents sperm from entering the uterus. The cervical cap is a reusable, deep silicone cup that is inserted into the vagina and fits tightly over the cervix. The cervical cap is held in place by suction and has a strap to help with removal. The Read more…

Cataract surgery is a procedure to remove the lens of your eye and, in most cases, replace it with an artificial lens. Cataract surgery is used to treat the clouding of the normally clear lens of your eye (cataract). Cataract surgery is performed by an eye doctor (ophthalmologist) on an outpatient basis, which means you Read more…

Carotid (kuh-ROT-id) ultrasound is a safe, painless procedure that uses sound waves to examine the blood flow through the carotid arteries. Your two carotid arteries are located on each side of your neck. They deliver blood from your heart to your brain. Carotid ultrasound tests for blocked or narrowed carotid arteries, which can increase the Read more…

Carotid endarterectomy is a procedure to treat carotid artery disease. This disease occurs when fatty, waxy deposits build up in one of the carotid arteries. The carotid arteries are blood vessels located on each side of your neck (carotid arteries). This buildup of plaques (atherosclerosis) may restrict blood flow to your brain. Removing plaques causing Read more…

Carotid angioplasty (kuh-ROT-id AN-jee-o-plas-tee) is a procedure that opens clogged arteries to prevent or treat stroke. The carotid arteries are located on each side of your neck and are the main arteries supplying blood to your brain. The procedure involves temporarily inserting and inflating a tiny balloon where your carotid artery is clogged to widen Read more…

Cardioversion is a medical procedure done to restore a normal heart rhythm for people who have certain types of abnormal heartbeats (arrhythmias). Cardioversion is most often done by sending electric shocks to your heart through electrodes placed on your chest. Occasionally, your doctor may perform cardioversion using only medications to restore your heart’s rhythm. Cardioversion Read more…