Often increased
4- Abnormal Genetic or Biochemical MarkersReference range exampleAdult ( > 16y), Female: 0–1 Not PresentLinked diagnostic tests1Chorionic Villus Sampling (CVS)
- Plasma thromboplastin antecedentReference range exampleAdult ( > 16y): 20–35 secondsLinked diagnostic tests1Activated Partial Thromboplastin Time (APTT)
- Urine Haemoglobin (Hb)Reference range exampleAdult ( > 16y): 0–0.02 mg/dLLinked diagnostic tests1Urine Haemologlobin (Hb) Concentration
- Urine Red Blood CellsReference range exampleAdult ( > 16y): 0–2 /hpfLinked diagnostic tests1Urine Red Blood Cells Concentration