Learn about the 7 emergency contraceptive pills available in India that contain Levonorgestrel, a hormone that prevents pregnancy after unprotected sex. Compare their effectiveness, side effects, dosage, and cost. 1. What types of emergency contraception exist? There are currently two main forms of emergency contraception: orally taken emergency contraceptive pills (ECPs) and intrauterine devices (IUDs). Choosing a good option for you depends on a variety of factors, including how long it’s been since you’ve had unprotected sex, your body weight, local access to different methods and whether you can get a prescription quickly. You should also keep in mind reported failure rates, or statistics that ... Learn about the different methods of emergency contraception, such as pills, IUDs, and COCs, and how they can prevent unwanted pregnancies after unprotected sex. Find out the effectiveness, safety, and eligibility criteria for each method, and when to resume regular contraception. The sooner you use emergency contraception, the more it may be effective. That said, you can avoid pregnancy by taking pills after 72 hours.