When choosing the monthly or quarterly injection as a method of birth control, it is important to stick to the scheduled dates. However, there is a few-day window when it comes to administering the birth control injection.
However, if a woman forgets to get the contraceptive injection on the scheduled date and also exceeds the margin of error, there is a risk of pregnancy if she has sexual intercourse. In this situation, it is advisable to consult a specialist on how to proceed. Additionally, it is essential to confirm that she is not pregnant before receiving a new contraceptive injection.
Read the full article on: What is the contraceptive injection and how is it used? ( 76).
By Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Sara Salgado B.Sc., M.Sc. (embryologist), Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist) and Cristina Algarra Goosman B.Sc., M.Sc. (psychologist).
Last Update: 06/03/2026
