Topics: Dating - Wikipedia
Private ultrasound dating scan (sometimes called 12 week scan or booking scan). We recommend that you present your dating scan results to your usual healthcare professional whose contact details we take at the time of booking. Your choice of a free rescan may be appropriate if we are unable to perform the primary purpose of this scan.
Determination of fetal gestation, dating of pregnancy, single or multiple pregnancy confirmation using ultrasound between 12 – 16 weeks gestation, no sexing. May involve transvaginal / internal scanning.
A dating scan (sometimes called a booking scan) will tell you how many weeks pregnant you are and if you are having one or more babies.