![]() The needle is guided with the help of ultrasound. Amniocentesis – a small amount of amniotic fluid is taken using a slender needle inserted through the abdomen.Other types of pregnancy tests you may be offered could include: Discuss the benefits, risks and complications of these tests with your doctor before deciding whether or not to go ahead. ![]() These tests, including amniocentesis and chorionic villus sampling, are optional. If fetal abnormalities were detected, you may need further tests to confirm the diagnosis. Note that a normal result doesn’t guarantee that your baby is normal, because some abnormalities cannot be found using this test. What happens next depends on the results of your ultrasound. You are free to go about your normal business. ![]() Taking care of yourself at homeĪn ultrasound scan is safe, painless and non-invasive, so there is no need to take any special precautions afterward. There are no known risks, complications or side effects for either the mother or her unborn baby. The report is sent to your doctor, so you will have to make an appointment to get the result. Once the ultrasound is finished, you are given tissues to wipe away the gel, and you can go to the toilet. ![]() In these cases, a slender scanner is inserted into your vagina. There may be too much air in your bowel, for instance, and air is a poor conductor of sound waves. Vaginal ultrasound – in some cases, a transabdominal ultrasound can’t produce clear enough pictures.The sonographer may have to push quite firmly at times in order to see the deeper structures. Pictures are sent instantly to a nearby monitor. Gel is applied to your abdomen (to provide better contact between your skin and the scanner) and the sonographer moves the scanner in various positions. You lie down on an examination table or bed. The sonographer uses your full bladder as a ‘porthole’ to your uterus, so you will have to drink plenty of water before the test. Transabdominal ultrasound – sound waves pass very well through water.The procedure depends on the type of ultrasound used, but may include: Further tests are usually needed to confirm the diagnosis. However, you should remember that the ultrasound is a diagnostic procedure and, in some cases, it may suggest that a fetus has an abnormality. Many parents consider the ultrasound as an opportunity to see their unborn child, and perhaps discover its sex. Ultrasound is a safe, painless and non-invasive procedure. The location of the placenta is checked to make sure it isn’t blocking the cervix. Third trimester - ultrasound performed after 30 weeks is used to check that the baby is continuing to grow at a normal rate.The baby’s sex can be established, if the parents wish to know. The size and location of the placenta is also checked. Second trimester - ultrasound performed between weeks 18 and 20 is used to check the development of fetal structures such as the spine, limbs, brain and internal organs.First trimester - ultrasound performed within the first 3 months of pregnancy is used to check that the embryo is developing inside the womb (rather than inside a fallopian tube, for example), confirm the number of embryos, and calculate the gestational age and the baby’s due date.Ultrasound may be used at various points during pregnancy, including: The ultrasound scan isn’t 100 per cent accurate, but the advantages of the test are that it’s non-invasive, painless and safe for both mother and unborn baby. Since the procedure can’t produce high quality images, any suspected abnormalities need to be confirmed with other tests. Ultrasound is used during pregnancy to check the baby’s development and to help pick up any abnormalities such as Down syndrome. The reflected sound waves or ‘echoes’ are then translated into a grainy, two-dimensional (or sometimes three-dimensional) image on a monitor. The sound waves are emitted from a vibrating crystal in a handheld scanner. Ultrasound is a scan that uses high frequency sound waves to study internal body structures.
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