The lymphatics of vulva:
Lymphatic Drainage of Reproductive Tract:
Uterine Corpus –
1. Fundus-Para-aortic lymph nodes
2. Cornu-Superficial inguinal
3. Body-External Iliac L N
Cervix    1. Paramatrial
2. Internal iliac group
3. Obtruator group
4. External iliac group
5. Sacral

All these drain into common iliac and superior lumbar group

Fallopian tube and ovary-Superior lumbar group
Vagina - Upper 2/3-Like cervix
                  Lower 1/3-Inguinal and external iliac nodes
Vulva-    Superficial inguinal
                 Deep inguinal
                 External iliac