26th July 2024

A 26-year-old female presents with regular heavy periods. As a child she had frequent nosebleeds

A 26-year-old female presents with regular heavy periods. As a child she had frequent nosebleeds which required cauterisation. Her sister also suffers from similar symptoms.

Investigations performed are as follows: Hb 97 g/L (130-160), Plt 160 (150-400), PT 14 (12-20), APTT 45 (30-40), MCV 75 (80-100), ferritin 12 (24-350).

Which of the following investigations is most likely to be diagnostic?

Select the SINGLE most appropriate option from the list below. Select ONE option only.