Classical example of transplacental carcinogenesis is -: (A) Teratoma, (B) Primary squamous cell carcinoma of vagina, (C) Sarcoma botryoids, (D) Clear cells adenocarcinoma of vagina
Answer is D. A series of genotypic and phenotypic changes in the fetus due to utero exposure to carcinogens.. Extensive metastasis. Clear cells adenocarcinoma of vagina.. A rare type. Of cancer. Often linked to diethylselbisterol drug administration.