Implantation bleeding and chorionic haematoma

Question 1

What is implantation bleeding

Answer 1

Bleeding that occurs when the fertilised egg implants in the endometrial lining

Question 2

Clinical presentation of implantation bleeding

Answer 2

Light brownish bleeding around 10 days post-ovulation followed by signs of pregnancy

Question 3

What is chorionic haematoma

Answer 3

Pooling of blood between between the chorion, a membrane surrounding the embryo, and the uterine wall

Question 4

Clinical presentation of chorionic haematoma

Answer 4

• Bleeding
• Cramping
• Threatened miscarriage
• Symptoms and course follow size and perpetuation
• Large haematomas may be source of infection, irritability (causing cramping) and miscarriage

Question 5

Investigation for chorionic haematoma

Answer 5

USS

Question 6

Management of chorionic haematoma

Answer 6

Usually self limiting
Reassurance and surveillance