PMC9988370_01
Transvaginal ultrasound indicates the leading edge of placenta at 2.29 cm from the internal os on the day the woman presented at the hospital.
CRIOG2023-2420333.001.jpg
PMC9988370_01_CRIOG2023-2420333.001.jpg
fig1
At ultrasound it was evident that the edge of the placenta was covering the internal cervical os (Figure 1).