Vasectomy reversal and pregnancy: all the information 2026

For a man, making the decision to undergo a vasectomy may not be a very easy step to take. But the truth is that it becomes a permanent contraceptive method that, above all, is characterized by being extremely effective, consisting of permanent male sterilization.

However, before undergoing it, it is necessary to pay special attention to what it entails, especially when deciding whether or not it is the most correct or appropriate option. Thus, it is particularly appropriate if we are completely sure that we do not want to have more children, if we - or our partner - suffer from some type of genetic disorder or disease that we do not want to transmit to our offspring, or if our partner does not want to get pregnant.

Amazon Essentials by Sofia Grainge - Summer 2026 Promotion

Therefore, it is not a particularly recommended contraceptive method if we or our partner are not entirely sure if we want to have more children in the future, or if we are basically interested in a temporary type of contraception.

Not in vain, although it is not usually common, some couples have regretted it years after the man had a vasectomy, because in a moment of overwhelm and tension (for example, upon the arrival of a baby and all the complications that this entails, or after a second or third child) they believed they were not capable of having more... and, suddenly, once things calm down and everything returns to normal, they discover that they want to have more offspring.

For these cases, vasectomy reversal becomes one of the main solutions.

What is a vasectomy and what does it consist of?

A vasectomy consists of a surgery useful for preventing pregnancy, by preventing sperm from accessing semen before they are expelled with ejaculation. It becomes, in fact, a permanent form of birth control, since it is a permanent contraceptive method.

To carry it out, the vas deferens (which transport sperm from the testicles to the urethra) are cut and sealed, so that the sperm cannot reach the semen.

Although the body continues to produce sperm, since sperm cannot escape through semen, the body reabsorbs them. Thus, when a man with a vasectomy ejaculates, the fluid contains semen, but not sperm.

It becomes, it is true, one of the most effective contraceptive methods that exist to date. Despite this, there is still a very small possibility that the procedure may not work. Even if it is completely effective, it is necessary to keep in mind that it may take some time until it truly protects against an unwanted pregnancy.

This means that sperm may still be present in the semen a few weeks after surgery, so pregnancy is still possible.

What about vasectomy reversal? What does it consist of?

As the name suggests, vasectomy reversal is a medical procedure in which the effects of a vasectomy are reversed. It is done by reattaching the vas deferens to the penis, so that sperm can ejaculate again.

This is an outpatient procedure that lasts between 30 to 60 minutes, and can be carried out with local anesthesia, which will serve to numb the area around the scrotum (which is the sac that supports the testicles).

There are basically two procedures that are carried out in order to reverse the vasectomy. Lavasovasostomy involves taking the two ends of the vas deferens that were cut during the vasectomy to sew them back together. While, lavasoepididymostomy is a procedure in which the vas deferens are sutured to the epididymis.

It is estimated that a vasectomy can be reversible up to 20 years - or more - after the initial procedure, but it is also known that the longer you wait, the less likely it is that a pregnancy can occur. Although the chances of achieving a successful vasectomy reversal may end up being lower if more than 10 years have passed.

Is pregnancy possible after vasectomy reversal?

After undergoing a vasectomy reversal, and if everything goes as planned, the chances of pregnancy increase significantly. However, everything will depend not only on male fertility itself, but also on female fertility.

In the case of male fertility, we must remember that having a low sperm count can make pregnancy much more difficult. In these cases, a sperm count test can be very helpful when it comes to discovering not only the number of sperm that exist in a sperm sample, but is also useful when analyzing its motility (sperm movement).

In any case, when it is performed, the sperm usually reappear in the semen a few months after the procedure, which will increase the chances of pregnancy. These possibilities range from approximately 30 to 70 percent. Although in most cases it may be necessary to wait a year or more before sperm can reappear in the sperm.