You'll have a dating scan, also known as a 12-week scan between about 10 weeks and 14 weeks of pregnancy for most mums-to-be, this is their first scan (nice 2008, newson 2014) you'll only have a scan before this, between six weeks and 10 weeks, if you've experienced bleeding , pain, or problems in a previous pregnancy (miscarriage.
Early scan an early scan is offered from six weeks, so before your dating scan your midwife or gp will only recommend an early scan if there's a concern, for example, if you've had bleeding in this pregnancy. Dating scans are usually recommended if there is doubt about the validity of the last menstrual period for example if you do not know when the first day of your last period, or the likely day of conception was. Dating scan at the presence of the to drink about ultrasound scan us and just a blood test should be detected they again did it is usually go to have a scan, or doctor will be offered a dating scan.
When is it carried out: if you have experienced some problems such as bleeding in the first weeks of your pregnancy or you have previously suffered a miscarriage, you may be recommended to take an early scan an early scan takes placebetween 6 weeks and 10 weeks of pregnancy.
If you've had fertility treatment, have a history of miscarriages or are in pain or bleeding during the first weeks of pregnancy, you may be offered an early scan before this routine dating scan but, assuming your pregnancy is healthy, you'll still have the dating scan at round about the 12-week mark.
After your 12-week scan, your next ultrasound probably won't be until you're 20 weeks' pregnant when you have your anomaly scan this can also be a chance to find out if you're having a boy or girl if you want. The dating scan can include a nuchal translucency (nt) scan, which is part of the combined screening test for down's syndrome, if you choose to have this screening the second scan offered to all pregnant women is called the anomaly scan, or mid-pregnancy scan, and usually takes place between 18 and 21 weeks of pregnancy. If you are not sure of your due date you may need to have a dating scan you may choose to have a nuchal translucency ultrasound between 11 weeks and 13 weeks and 6 days of pregnancy if you choose to have a combined ultrasound with blood test you can have the blood test between 9 weeks and 13 weeks and six days of pregnancy.
You may need to have a full bladder for this scan, as this makes the ultrasound image clearer you can ask your midwife or doctor before the scan if this is the case the dating scan usually takes about 20 minutes. Also, you may not have to have the internal scan if you're far enough along but if you have to have it, it is really not a big deal it's not large, and they don't have to put it in very far.
Dating scans approved by the babycenter australia medical advisory board share the scan date is usually later than the period date, you could have a dating scan, without nt screening, or even change your mind on the day of your scan your sonographer will support your decision, either way. A dating scan is generally done for women who: are unsure about the date of their last normal menstrual period for women who have an irregular menstrual history or cycles. Too early for a dating scan marchbaby19 23/07/12 hi all, im 6 weeks today and just went to have my dating scan had the 2nd scan n they again did it thru the stomach n still cldnt c a heart beat the technician said this is v normal as the baby is so tiny n suggested they do an internal scan soon as we did this saw a heart beat straight away.