You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which among the following is an absolute contraindication of Hormone replacement therapy ? and explain in detail?
Absolute contraindications of hormone replacement therapy (H): Undiagnosed vaginal bleeding Estrogen dependent cancer in the body Severe liver disease Pregnancy Venous thrombosis Well-differentiated and early endometrial cancer (once treatment for the malignancy is complete, is no longer an absolute contraindication.)