The vast majority of patients will not conceive during intercourse 20 days after vasectomy, and there are no obvious symptoms of discomfort. Very few patients may experience some complications such as scrotal swelling, epididymal stasis, and localized pain. The purpose of vasectomy is to prevent pregnancy during intercourse, so after the ligation may lead to intercourse will not be conceived. Vasectomy is a less difficult procedure in which the vas deferens are removed with a vasectomy forceps and ligated separately in the scrotum near the external ring. After a vasectomy, there is a possibility of semen stasis, which can lead to chronic pain over a long period of time, among other things. There are other complications such as scrotal swelling, localized bruising, and pain. If you want to undergo vasectomy, please visit a regular hospital. If you have any uncomfortable symptoms after vasectomy, you need to go to the hospital for relevant examination and treatment in time to avoid causing more serious situations.