All About Male Ejaculation

Drawing of one sperm

Without male ejaculation, there would be no human race. Ejaculation releases semen (containing sperm in fertile males) from the penis into the vagina, given the sperm an opportunity to fertilize an egg.

Not all ejaculations end with a baby though, not even when no birth controls are used. The women must be ovulating, the sperm must be healthy, the fertilized egg must be able to implant in the uterus, etc. The whole reproduction process is a complex but penis ejaculation plays very important role in it.

What Is Male Ejaculation?

Ejaculation is the ejection of semen from the penis. Men usually ejaculate when having orgasm, though orgasm without ejaculation is possible (though rare).

How Do Men Ejaculate?

Penis ejaculation is usually the result of sexual stimulation. Men can ejaculate during sex or with masturbation. Men can also ejaculate while sleeping, i.e. when having wet dream (or nocturnal emission).

The ejaculation process begins when men reach certain level of sexual stimulation. Semen is released through the urethra with rhythmic contractions. These rhythmic contractions are part of the male orgasm.

When penis ejaculation has began it cannot be stopped, i.e. once the first contraction has taken place, ejaculation will continue to completion as an involuntary process.

Male orgasm usually lasts several seconds and contains around 10 to 15 contractions.

The study 'The male orgasm: Pelvic contractions measured by anal probe' showed that contractions started abruptly at an inter-contraction interval of about 0.6 seconds and continued for 10 to 15 contractions at an increased increment of about 0.1 second per contraction.

The force of the contractions gradually increases, reaching maximum force at the seventh or eighth contraction and then slows down.

The study also showed that each man's pattern of contractions was very similar from one session to the next but the individual's patterns were grouped into three types.

"The most common type was a simple series of regular contractions. It had the shortest duration and fewest contractions. The next most common pattern began with the regular series, followed by a number of irregular contractions. This type was longest in duration. One man with a third type, of intermediate duration, had a number of preliminary contractions before the series of regular contractions began in midorgasm" (The Male Orgasm: Pelvic Contractions Measured By Anal Probe Opens in new window symbol)

Most men have the first ejaculated squirt during the second contraction. The first squirt is usually the largest and can contain up to 40% or more of the total ejaculated volume.

Ejaculation Problems

Ejaculatory disorders are the most common male sexual dysfunction problems but their cause can be either physical or psychological. The most common ejaculation problems are:

  • Premature ejaculation
  • Delayed or retarded ejaculation
  • No ejaculation
  • Retrograde ejaculation
  • Painful ejaculation

There are number of ways to treat ejaculation problems but the first step is to get formal diagnosis and try to identify the cause of your male ejaculation problems.