Naturopathic medicine (or naturopathy) is based on the belief that the body can heal itself. It aims to improve health, prevent disease, and treat illness through the use of organic foods and exercise; a healthy, balanced lifestyle; and the use of treatments from other areas of complementary medicine.
Take one tablet as soon as possible after unprotected sex. The manufacturer recommends to take within 72 hours (3 days) after unprotected sex, but studies have shown moderate efficacy still exists if taken up to 120 hours (5 days) after unprotected sex. Levonorgestrel 0.75 mg, two tablet regimen.
That is why you can take the morning after pill up to three days after having sex. Before fertilization can occur, the sperm must reach the egg. Each egg is only viable for 12 to 48 hours and some sperm can survive for as long as 72 hours, but most can only retain their fertilizing power for 12 to 48 hours.