146 results found
Medical tests
… First-Trimester Screening for Birth Defects On this page: … Test Overview During the first trimester of pregnancy, screening tests for birth … This is called an integrated screening. It's done in two stages at two different times during the pregnancy. How It …
Medical tests
… ( ovulation ). LH levels normally change with the phase of the menstrual cycle. This hormone goes up fast just … Results How much LH a person has depends on their age and stage of sexual development. It also depends on the phase of … Results How much LH a person has depends on their age and stage of sexual development. It also depends on the phase of …
Medical tests
… infection causes inflammation , which can trigger preterm labour. This inflammation can also stimulate the amnion … from the vagina or the opening to the uterus (cervix). First, a speculum is used to spread the walls of the vagina … from the vagina or the opening to the uterus (cervix). First, a speculum is used to spread the walls of the vagina …
Medical tests
… baby will stay healthy during contractions when you are in labour. This test includes external fetal heart monitoring . … you don't have a second contraction within 2 minutes of the first, you will rub your nipple again. If contractions do … you don't have a second contraction within 2 minutes of the first, you will rub your nipple again. If contractions do …
Medical tests
… a.m. They drop very low in the evening and during the early phase of sleep. But if you sleep during the day and are up … have this daily change in cortisol levels, you may have overactive adrenal glands. Cortisol levels vary widely … all the urine you produce in a 24-hour period. When you first get up in the morning, urinate into the toilet. Don't …
Medical tests
… Electronic fetal heart monitoring is done during pregnancy, labour, and delivery. It keeps track of the heart rate of … times during your pregnancy. Sometimes it's done during labour. External monitoring can be done by listening to your … Internal monitoring Internal monitoring is done during labour. It can be done only after your cervix has dilated to …
Medical tests
… a.m. They drop very low in the evening and during the early phase of sleep. But if you sleep during the day and are up … (diurnal rhythm) in cortisol levels, you may have overactive adrenal glands. This condition is called Cushing's … Cushing's syndrome , a disorder that can be caused by overactive adrenal glands, an adrenal gland tumour, some types …
Medical tests
… is one of the screening tests that may be done in the first trimester to look for birth defects, such as Down syndrome . The first-trimester screening test uses ultrasound to measure … position. The placenta is the size expected for the stage of the pregnancy. The uterus has the right amount of …
Medical tests
… studies can also find out if you have a problem with your stages of sleep. The two main types of sleep are non–rapid … (REM). Normally, NREM and REM alternate through these stages about 4 to 6 times during a night's sleep. A change … helps your doctor learn what times during the day you are active and what times you are sleeping. Why It Is Done Sleep …
Medical tests
… is done on blood, body fluid, or tissue samples. If a first screening test shows signs of syphilis, another test … are found. If no antibodies are found, it is called a non-reactive test. Abnormal: Abnormal results are called positive. … diseases. The accuracy of testing often depends on the stage of syphilis. Testing may need to be repeated if: …
