First-trimester Placental Ultrasound Study

All study interventions/procedures will happen during the participants routine clinic visit in which they will receive their routine Ultrasound scan, followed by an additional research scan, which will take approximately 2-3 minutes. A blood sample will also be taken from participants as part of their routine pregnancy care. Residual blood from the same sample will be used to conduct an additional test to quantify Placental Growth Factor (PlGF). Participants will also be asked questions about their relevant medical history and demographic data which is also routinely collected as part of their pregnancy record.