Sampson's Theory proposed to explain endometriosis is: (A) Embolization of menstrual fragments through lymphatic channels., (B) Metaplastic changes in embryonal cell rests., (C) Reflux of menstrual endometrium., (D) Histogenesis by induction.
Answer is C. Sampson's theory: Reflux of menstrual endometrium through fallopian tubes causes endometriosis.