What is a dating scan

23 Mar

If you have been breast feeding or have recently stopped the oral contraceptive pill you may have had an unusual cycle so you may not be sure of your LMP.This scan may also be performed also if you have an early pregnancy and have bleeding or pain (even if you have already had a scan or are sure of your last menstrual period) to assess if the pregnancy progressing normally. A scan performed between 7-11 weeks pregnancy/gestation is accurate to within 3 days. • The number of babies • The presence of the baby’s heart beat • The position of the pregnancy (check it is in the uterus and not outside, known as an ectopic pregnancy) • The appearance of the uterus and ovaries How is it done?Your choice of a free rescan may be appropriate if we are unable to perform the primary purpose of this scan.All scans are performed by a qualified Sonographer with diagnostic obstetric scanning experience. This scan is performed in early pregnancy to determine the age of the pregnancy (also known as the gestational age) using measurements.

It’s a good idea to have someone with you for the scan, whether it’s your partner, mum, or a friend.It’s time to clap your eyes on that baby for the first time and it’s the most exciting pregnancy milestone yet. Your 12-week scan can take place any time between 11 and 13 weeks.It’s amazing to think that at this point, your baby is fully formed.Most of the images can be obtained by transabdominal ultrasound (this involves scanning through your lower abdomen) using a probe and gel on your skin. Sometimes if the pregnancy is early or better images of your uterus or ovaries is required a transvaginal ultrasound scan is required.This involves an internal probe being gently placed into the vagina with a sterile protective sheath (usually less discomfort than a PAP smear) This allows better images as the probe lies closer to these structures.If you are less than 8 weeks it may be neccessary to perform an internal scan to get a clear image.We will always ask for your consent if we feel an internal scan is necessary.‘This pushes the uterus into a better position so we can see the baby more easily,’ says Dean Meredith who is a Sonographer at The Portland Hospital, London.But don’t overdo it – we all know how often you need to pee these days.' And it was like, 'Well, what do you mean, why have we come this early?' And she said, 'Well, why have you come this early?