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 All of the following are recognized effects of combined oral contraceptives except and explain in detail?
Adverse effects of OCP- breakthrough bleeding, coronary and cerebral thrombosis resulting in MI or stroke, increased incidence of genital carcinoma-like vaginal, cervical, breast cancers. It has a protective effect against endometrial carcinoma due to progesterone (Ref.Essentials of medical pharmacology TD Tripathi 7th edition page no.325,326)