Pathology: Blood or qi deficiency. This is seen in cases of deficiencies and failure of Qi and blood. It can also be seen in disharmonies of the even emotions, weakness in Yang Qi, internal damage to jing, and penetration of dampness.
Testing for venous blood clots. Venous blood clots may be detected in a variety of ways, though ultrasound is most commonly used. Occasionally, the patient's size and shape limit the ability for ultrasound to provide a definitive answer. Venography is an alternative test to look for a clot.
Your healthcare provider will examine your uterus and look for signs of bleeding and blood clots. He will ask about your symptoms. He will also check your baby's heart rate and movement. An ultrasound may be done to look for signs of placental abruption such as blood clots.