The general intercourse more than 3 minutes are normal, there is no specific standard time.
There is no specific standard for the time of intercourse, this time is affected by the physical condition, psychology, environment and other factors, the time difference is also relatively large, generally regarded as more than 3 minutes is normal.
If from the first sexual life, every time the time is less than 3 minutes or less, can be regarded as premature ejaculation, is an abnormal phenomenon. However, if the time is too short only once in a while it may be caused by psychological factors or overwork, and is not necessarily a pathological phenomenon.
The specific time of sexual life varies greatly, and too long a time may also lead to excessive physical fatigue, and prolonged congestion of the prostate gland can easily lead to inflammation. Therefore, as long as there is no physical discomfort, long or short time is generally a normal phenomenon, after sex, if there is discomfort, it is recommended to go to the hospital as soon as possible.