This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
In which of the following clinical scenarios Anti D prophylaxis is not recommended? 
Select and explain. 
A. Therapeutic termination of pregnancy by medical method in a 10weeks non sensitized RhD negative women, B. Medically managed ectopic pregnancy at 8 weeks in a non sensitized RhD negative women, C. Threatened miscarriage in a 13weeks non sensitized RhD negative women, D. Spontaneous miscarriage at 14weeks in a sensitized RhD negative women
D: Spontaneous miscarriage at 14weeks in a sensitized RhD negative women
Answer: D: Spontaneous miscarriage at 14weeks in a sensitized RhD negative women 
Explanation: * women who are already sensitized should not be given Anti D immunoglobulin Reference: Greentop guidelines no : 22