Clinically,<unk>  may be asymptomatic, or may present with signs of decreased blood flow to the foetus such as growth restriction and foetal distress. Postnatally,<unk>  is found in placental examination following live birth or spontaneous abortion.<unk>  is diagnosed antenatally by ultrasound, where a thick multilobulated hematoma can be seen beneath the chorion. Occasionally, subchorial thrombohematoma may later become intraplacental, making its diagnosis difficult. The<unk>  may be echogenic or hypoechoic depending upon the amount of fresh blood present in it.<unk>  should be differentiated from vesicular<unk>  and missed abortion in an ultrasound examination.
Breus' mole
Womb veil
Molar pregnancy
Vasa praevia
Cryptic pregnancy
Puppy pregnancy syndrome
Unicorn horn
After-birth abortion