1st June 2023

A 24-year-old woman presents to her GP. She is 30 weeks pregnant with her first child

A 24-year-old woman presents to her GP. She is 30 weeks pregnant with her first child. The sex of the baby is male. She is concerned as her father suffers from a bleeding disorder, Haemophilia A. Her husband has no personal or family history of this condition.

What is the risk of her unborn male child inheriting Haemophilia A?