- First Trimester / Dating Ultrasound
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- When is a dating scan necessary?
- When is the best time to get a dating ultrasound - 10 great places to meet Man
First Trimester / Dating Ultrasound
If you need an ultrasound early in pregnancy, it may be necessary to use a vaginal probe a transducer placed in the vagina. This allows the technologist to view your uterus through the cervix. This method may also be used later in pregnancy to locate your placenta if it's over the cervix or to measure the length of the cervix. Vaginal probes may cause a sensation of pressure but shouldn't adversely affect your pregnancy. Your ultrasound in the 1st trimester can show your baby's heart rate, umbilical cord, and size, as well as the placenta. It will also tell you if you have one, two, or three babies.
An ultrasound in the 2nd trimester around 18 weeks can show details of the fetal head, face, spine, heart, abdomen, and limbs, in addition to the placenta. The examiner is looking for physical characteristics that might indicate any abnormality. Ultrasounds can't detect all birth defects , and a normal ultrasound doesn't guarantee a healthy baby.
However, ultrasound is a wonderful diagnostic tool that can help ensure that your pregnancy and your baby are both on the right track. All content on this Web site, including medical opinion and any other health-related information, is for informational purposes only and should not be considered to be a specific diagnosis or treatment plan for any individual situation.
Use of this site and the information contained herein does not create a doctor-patient relationship. Always seek the direct advice of your own doctor in connection with any questions or issues you may have regarding your own health or the health of others.
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Parents may receive compensation when you click through and purchase from links contained on this website. That first glimse at your baby-to-be is an amazng experience! Here's what you can expect. A dating scan is carried out by ultrasound. A sonographer, who is usually a radiographer or a midwife trained in ultrasound, will complete your scan.
If the scan is after 10 weeks, ultrasound recordings are usually made through your abdomen. The sonographer will put gel on your abdomen and move a hand-held device called a transducer, back and forward over your skin.
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In some situations, such as when the scan is completed before 10 weeks of gestation or you are overweight, you may also need a vaginal scan. Your sonographer will let you know if this is needed. For an abdominal dating ultrasound, you will need to have a full bladder. You may be asked to drink some water and not go to the toilet beforehand because a full bladder helps to push your womb up to give a better picture.
For a vaginal scan, you can have an empty bladder. This will provide a fairly accurate estimate of how many weeks pregnant you are. But it is important to remember that only a few women go into labour on their due date, so it can be more helpful to think about the month in which you are expecting your baby, rather than the exact day. Information on pregnancy ultrasound scans including when they are taken, what it can be used for, dating scans, anomaly scans, plus links to trusted resources.
This Dads Guide to Pregnancy article covers early pregnancy scans and screening, plus normal fetal development and early miscarriage for men, by men.
In the second trimester of pregnancy, you may be offered to have an morphology scan anomaly scan. Learn about what it looks for and when it is performed. A nuchal translucency scan is part of the ultrasound scan that may give an indication of chromosomal abnormality.
Learn more about how and when it is performed. During your pregnancy, you will be offered a number of tests and scans. The aim is always to check on the health of you and your baby, but it can sometimes be overwhelming and confusing.
When is a dating scan necessary?
Handy infographic that shows what you can expect at each antenatal appointment during your pregnancy. In the meantime, we will continue to update and add content to Pregnancy, Birth and Baby to meet your information needs. This information is for your general information and use only and is not intended to be used as medical advice and should not be used to diagnose, treat, cure or prevent any medical condition, nor should it be used for therapeutic purposes. The information is not a substitute for independent professional advice and should not be used as an alternative to professional health care.
When is the best time to get a dating ultrasound - 10 great places to meet Man
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