Hi I am a 29-year-old married woman. I often take oral contraceptive pills to prevent pregnancy. Will it affect my health? Birth control pills are medicines that interfere with and possibly disrupt the normal hormonal or menstrual cycle in women. They are designed to give rise to an artificial internal hormonal environment that prevents women from conceiving. Yes. Like all other medicines even birth control pills have their own benefits and risks. Some minor side-effects of taking the pills include headache dizziness nausea and vomiting digestive problems and mood swings. These side-effects do not last for long-period of time. But