FAQs
12
0

Is there a risk of pregnancy after vasectomy?

By Marta Barranquero Gómez B.Sc., M.Sc. (embryologist).
Last Update: 09/11/2026

During the first few months after a vasectomy, there is a risk of pregnancy.

Although a vasectomy is a highly effective method of permanent sterilization, it takes some time to confirm that the procedure has been successful. Therefore, if you have unprotected sex before all post-vasectomy semen analyses have been completed, it is possible to become pregnant.

In addition, there have been cases of women who became pregnant years after their partners’ vasectomies, although this is highly unlikely.

 Marta Barranquero Gómez
Marta Barranquero Gómez
B.Sc., M.Sc.
Embryologist
Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH).
License: 3316-CV
Embryologist. Graduated in Biochemistry and Biomedical Sciences by the University of Valencia (UV) and specialized in Assisted Reproduction by the University of Alcalá de Henares (UAH) in collaboration with Ginefiv and in Clinical Genetics by the University of Alcalá de Henares (UAH). License: 3316-CV.