An orgasm is a feeling at the climax of sex. Both males and females can experience it. It's a moment of strong muscle contractions. These contractions can last from about 4-15 seconds. It's hard to tell how you can reach orgasm-there are many psychological and physical factors. Emotion and open communication are often important factors for orgasm. Foreplay can also be important. If you feel relaxed and have sex with the right person at the right time you are more likely to experience an orgasm.
Attribution: Straight Talk Foundation