Your pregnancy week by week
Pregnancy goes on for nine months and there’s lots happening every week. If you’re curious to find out more about how your baby is growing read on ……
WEEK 12: At the end of 12 weeks your baby is now fully-formed and measures around 8.5cm from crown to rump and is about the size of a lime. It’s a milestone week because after this point the risk of miscarriage falls dramatically. This is the beginning of the second trimester of pregnancy and many of the key measurements of your baby in this period will be made using ultrasound scans.
A Nuchal Translucency (NT) Scan (also called a nuchal scan can be performed between 11 and 13 weeks and 6 days gestation. This is a screening test using ultrasound to measure fluid at the back of your baby’s neck (this area is called the nuchal fold). If a baby has extra fluid at this point ̶ it’s a marker for an extra chromosome and they may have Down’s syndrome and you’ll be counselled to see if you want additional diagnostic tests to find out for sure.