Anti-Müllerian hormone (AMH) is a marker used to estimate a woman's ovarian reserve. It has been considered that its values do not vary with the hormonal fluctuations of the menstrual cycle, meaning AMH can be measured at any time during the cycle.
However, a study has observed variations between anti-Müllerian hormone measurements analyzed in two consecutive menstrual cycles.
Read the full article on: Anti-Müllerian Hormone: Is a single ovarian reserve test enough? ( 35).
By Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist).
Last Update: 06/01/2026
