In case no form of birth control was available , then Plan B pills can be taken up to five days after an unplanned and unprotected night of passion. Please check with your Gynae first.
An intrauterine device, or IUD is a 99% effective method to control birth wherein a small device is fitted into the body to prevent pregnancy. Ask your Gynae for more information.
Birth control pills usually don't cause weight gain. Please consult a doctor if you experience weight gain, nausea, headaches, or any other side effect from the pills.