329 results found
Medical tests
… may be done. These tests look for possible problems with your baby. The tests may be called first-trimester … 1 out of a number less than 200 (such as 1 out of 100), you have a positive result. This means that your baby has a … screening may show that a baby doesn't have a birth defect when he or she does have it. This is called a false-negative …
Medical tests
… is done to: Find out whether the chromosomes of an adult have a change that can be passed on to a child. Find out … for the presence of the Y chromosome. This may be done when a newborn's sex is not clear. How To Prepare You do not need to do anything before you have this test. …
Medical tests
… nicotine—or the chemicals it produces, such as cotinine—in your blood or urine. It's usually done by testing a sample … smoke or use other forms of tobacco. All forms of tobacco have nicotine. This includes pipe tobacco, cigars, … show that you are using quit-smoking aids and not tobacco. When you stop using nicotine, it can take more than 2 weeks …
Medical tests
… a protein. Fetal fibronectin testing is sometimes done when someone has symptoms of preterm labour. If the test is negative, you probably aren't having preterm labour. But even if the … a protein. Fetal fibronectin testing is sometimes done when someone has symptoms of preterm labour. If the test is …
Medical tests
… a biopsy needle for a testicular biopsy. This may be done when testing for infertility . Check an injury to the … genital area. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you …
Medical tests
… Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… sclerosis (MS) , the doctor will collect information about your symptoms. The kinds of symptoms, as well as how and when they occur, are important in evaluating whether you might have MS. Even symptoms that you might have had several years …
Medical tests
… cells , white blood cells , and platelets . A CBC helps your doctor check any symptoms that you may have, such as weakness, fatigue, or bruising. A CBC also … cells are bigger than red blood cells but fewer in number. When a person has a bacterial infection, the number of white …
Medical tests
… her vulva and vagina . A vaginal self-examination may help you better understand your body, the changes that take place … room. A hand-held mirror with a long handle. Choose a time when you are not having a menstrual period. Do not use … How It Is Done Take off your clothes below the waist. Have the mirror and flashlight where you can easily reach …
Medical tests
… contains very little chloride. People with cystic fibrosis have a high level of chloride in their sweat. During the … test can be done at any age. It may be done as soon as your baby is 10 days old, but it is often done when a baby is 2 to 4 weeks of age. Your child may need more …
