This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexual offences and infanticide, Subject name: Forensic Medicine
The phenomenon of conception of a woman due to deposition of semen on vulva without vaginal penetration is called as 
Select and explain. 
A. Superfoetation, B. Superfecundation, C. Fecundation ab extra, D. Vaginismus
C: Fecundation ab extra
Answer: C: Fecundation ab extra 
Explanation: FECUNDATION AB EXTRA: The conception of the female due to deposition of semen on the vulva, without penetration of the vagina - The insemination occurs due to the passage of spermatozoa from external genitalia to the uterus. Ref - Krishnan Vij 5th edition pg 395 , 404