A1 a system of communication consisting of sounds, words, and grammar, or the system of communication used by people in a particular country or type of work: She does research into how children acquire language.
2. Dating Scan. When is it carried out: When there are no problems, you will have to undergo two ultrasounds during your pregnancy. A dating scan will be the first scan that you undergo. The scan is booked atbetween 10 weeks and 13 weeks plus six days of pregnancy. What happens in the process: During this scan, the sonographer will apply gel on your tummy and move a hand-held device over your skin. The device is called a transducer.
During your first trimester, you may have an early scan at about six weeks or seven weeks. However, this will only happen if you're experiencing problems, such as pain or vaginal bleeding. Your first scan is likely to be a dating scan when you're between 11 weeks and 13 weeks plus six days pregnant.