Do I have to have an anomaly scan?It's up to you (NHS 2021). Ask your midwife about your hospital's policy.
And some hospitals have a policy of not telling parents-to-be (NHS 2020, SoR 2021), to prevent mistakes in identifying your baby’s sex (NCT 2018). Sometimes, the sonographer can't get a good enough view to tell the sex, perhaps because of your baby's position, or if your body mass index (BMI) is higher than what is considered healthy (NHS 2021). However, you may want to know if you’re having a girl or a boy or ask for a photo of your scan. The main purpose of the scan is to check that your baby is developing normally, rather than tell you your baby’s sex (PHE 2021a). You can also take your partner, friend or family member along to share the experience with you, although most hospitals don’t allow children to attend scans (PHE 2021b). Seeing your baby on a screen can be really exciting. This image shows a baby's face and hands at 20 weeks, and gives you an idea of what you will be able to see at this scan. Although the anomaly scan is often called a 20-week scan, you may have it any time between 18 weeks and 21 weeks (NICE 2021, PHE 2021a). The person carrying out the scan (sonographer) will check that your baby is developing normally, and look at where the placenta is lying (NICE 2021, PHE 2021a). What is an anomaly scan?An anomaly scan, also known as a mid-pregnancy scan, takes a close look at your baby and your womb (uterus). It's often an opportunity to see your baby's face for the first time, and possibly find out the sex of your baby. The 20-week scan is a routine part of your antenatal care. Your sonographer will also check the position of your placenta. This is an ultrasound scan to check your baby's body for conditions, such as cleft lip and spina bifida. What if there are signs of a problem on my scan?Ī sonographer will carry out an anomaly scan at around 20 weeks of pregnancy.Why have I been asked to have another anomaly scan?.Which conditions can be seen on the scan?.What will the sonographer look at on my scan?.What will I be able to see on the scan?.
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