But with every day which passes, the embryo becomes bigger and more advanced in its development.
7 Week Ultrasound
Instead, you will be offered another blood test between 14 and 20 weeks of pregnancy to screen for the risk of Down's syndrome. What you need to know about a cervical length pregnancy scan 12 week pregnancy dating scan: Learn more. You'll need to activate to enter promotions - find out more. It is usually offered to pregnant women from 10 weeks to 13 weeks gestation, but can be carried out any time from 6 weeks. Gender Don't know yet Boy Girl. The ideal time for a sonographer to assess the gestational age in the first trimester is between weeks of pregnancy.