Gynaecology & Obstetrics All of the following are features of progesterone pills except : A Acts by altering cervical mucous secretion B Break ovulation cycle C Failure rate is equal to that seen with OCP's D Irregular bleeding is a known complications 💡 Explanation All of the following are features of progesterone pills except : ✓ Correct Answer: C. Failure rate is equal to that seen with OCP's