Author: Dexeus Mujer

What the science says: a new study reveals the chances of becoming a mother using previously frozen eggs More and more women are considering freezing their eggs. Not because they simply want to “delay” motherhood, but because many reach the age of 35—or are approaching 40—without having found the right time, the right partner, sufficient financial stability or the personal circumstances to have a child. However, biology follows its own timeline. From the age of 35 onwards, both the number and quality of a woman’s eggs decline progressively, and at an increasingly faster rate. This is why egg vitrification—an...

For years, testosterone has been a strategy recommended by some specialists in IVF treatments to improve outcomes for women with low ovarian reserve. However, a clinical study led by Dexeus Mujer and published in Nature Communications in 2026 shows that testosterone does not improve pregnancy rates in IVF. If you are considering fertility treatment and have been advised to use testosterone before ovarian stimulation, this article is for you. As reported by La Vanguardia, this finding has significant implications for women seeking fertility treatment. What is low ovarian reserve and how does it affect fertility? Low ovarian reserve means...