OCPs does not protect against: I Repeat)

Ref: Shaw's Textbook of Gynaecology. 15th ed. pg :231Explanation:Non contraceptive benefits of OCPs are:Protection againstOvarian cancerUterine cancerBenign breast neoplasiaAno rectal cancerReduces the incidence ofPIDEctopic pregnancyPCODendometriosis.Protects against rheumatoid arthritis.Prolonged use of OCPs ( more than 8 yrs) is associated with risk of endocervical cancer.The role of OCP in breast cancer is controversial. But lately evidence based data fail to prove its adverse role on breast disease.Both option a and d are correctBut as the role of OCP in breast cancer is still controversial, option a can be taken as relatively better option.