How to Report Multiple Pregnancy in 1th and 2nd Trimester of Pregnancy

Ultrasound has revolutionised the management of multiple pregnancies and their complications. Increasing frequency of twin pregnancies mandates familiarity of all radiologist with the difference in reporting and management of twin pregnancies , we summarise the latest evidence relating to ultrasound surveillance of twin pregnancies including first trimester assessment and screening,  growth  surveillance  and  the detection and reporting the complications of monochorionic pregnancies including twin- to-twin-transfusion syndrome, selective fetal growth restriction, twin reversed arterial perfusion sequence and conjoined twinning. who to report and what are important key points at different time of pregnancy is the issue and will be discuss in this lecture.