This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of the female genital tract, Subject name: Gynaecology & Obstetrics
The lymphatics of the vulva 
Select and explain. 
A. Do not freely communicate with each other, B. Do not cross the labiocrual fold, C. Transverse the labia from medial to lateral margin, D. Drain directly into the deep femoral glands
C: Transverse the labia from medial to lateral margin
Answer: C: Transverse the labia from medial to lateral margin 
Explanation: Lymphatic Drainage of Reproductive Tract:Uterine Corpus - 1. Fundus-Para-aoic lymph nodes2. Cornu-Superficial inguinal3. Body-External Iliac L NCervix 1. Parametrial2. Internal iliac group3. Obturator group4. External iliac group5. SacralAll these drains into common iliac and superior lumbar group Fallopian tube and ovary-Superior lumbar groupVagina - Upper 2/3-Like cervix Lower 1/3-Inguinal and external iliac nodesVulva- Superficial inguinal Deep inguinal External iliac