Alternatively, you can contact the fetal medicine unit (details at end of leaflet). What is not caused by anything the parents have done or not done. Before you can have the quadruple test, you need to have a scan to accurately date your.
This will be performed at your dating scan from 11 weeks and 2 days -14 Please let your midwife know if you do not wish to have any Down's screening test.
dating scan : Help Wanted !- Emma's Diary Baby Forum
A dating scan is one that is performed in order to establish the gestational age of the pregnancy, For transvaginal ultrasound you can have an empty bladder
Baby dating scan - Gobor Transporte
Dating Scan Question - BellyBelly