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Updated: Mar 20, 2026

Collection of Human Follicular Fluid, Follicle Somatic Cells, and Immature Oocytes from Individuals Undergoing In Vitro Fertilization
Published on: October 24, 2025
Oocyte Quality in Patients with Increased FSH Levels
Monise Santos1, Emerson Barchi Cordts1, Bianca Bianco1
1Instituto Ideia Fértil de Saúde Reprodutiva - Faculdade de Medicina do ABC.
Objective:
The present study consists of quality comparison among oocytes retrieved from women under 37 years old showing increased levels of FSH (prone to premature ovarian insufficiency) and women at the same age with normal hormone levels.
Methods:
Oocyte quality was accessed according to Lucinda L. Veeck parameters (1986) and the statistical analyses were carried out using Chisquared, SPSS for Windows 13.0 (SPSS, Inc., Chicago, IL). All pvalues were twotailed, and 95% confidence intervals (CIs) were calculated. A P value <0.05 was considered statistically significant.
Results:
Eight morphologic changes variables were considered in the study and two of them showed statistically significant differences between cases and controls: granular cytoplasm (P=0.002) and presence of vacuoles (P=0.025), both more frequent among the study group patients.
Conclusion:
As a conclusion, patients with increased FSH levels presented oocytes with worst quality variables than controls. This can be an indicative of ovarian aging and can impact negatively on oocyte development into viable embryos.
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