Review Article

First-Trimester Uterine Artery Doppler Analysis in the Prediction of Later Pregnancy Complications

Figure 1

Transabdominal Doppler interrogation of the uterine artery at the level of the internal cervical os. Uterine artery waveform demonstrating raised PI with an early diastolic notch (arrow). Reproduced with permission from Associate Professor F. da Silva Costa.