Implantation bleeding is a light spotting that lasts from a few hours to two days and is usually brown or pinkish in color. This spotting appears after the embryo implants due to the rupture of blood vessels in the endometrium.
It is important not to confuse implantation bleeding with menstruation, as the amount and appearance are different. In addition, it must be taken into account that not all women experience implantation spotting, and this does not mean anything negative.
Read the full article on: What is the two-week wait? – Symptoms and tips after treatment ( 84).
By Aitziber Domingo Bilbao B.Sc., M.Sc. (embryologist), Carolina González Arboleya M. D. (gynecologist), Jon Ander Agirregoikoa M.D. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Paloma Sánchez Gómez M. D. (gynecologist), Rut Gómez de Segura M.D. (gynecologist) and Cristina Algarra Goosman B.Sc., M.Sc. (psychologist).
Last Update: 06/30/2026