So they say bc is normally very effective in preventing pregnancy because it stops ovulation. in the rare occasion that a woman does become pregnant on bc, how does that happen if she doesnt ovulate due to bc??

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.