Is crina ncr10 mg is used as a contraceptive from its first day of use? As my doctor told to take the medicine for 20 days and then stop and then again start it from last day of menstruation period.

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.