This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical & Surgical Illness Complication Pregnancy, Subject name: Gynaecology & Obstetrics
Contraindiction for estrogen therapy nearly are all except: 
Select and explain. 
A. Uterine cancer, B. Breast cancer, C. Hypertension, D. Previous H/O thromboembolism
C: Hypertension
Answer: C: Hypertension 
Explanation: Ans. is c, i.e. HypertensionRef: Williams Gynae 3rd/ed, p495Absolute C/I for use of Estrogen:1. Undiagnosed abnormal genital bleeding2. Known/suspected or H/O breast cancer3. Known/suspected estrogen dependent tumor4. Active or prior venous thromboembolism or any thromboembolic disease5. Liver dysfunction or disease6. Known or suspected pregnancy.