Histologic characteristics of the endometrium predicts success when utilizing autologous endometrial coculture in patients with IVF failure
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Purpose: To analyze the success of autologous endometrial coculture (AECC) in improving embryo quality and pregnancy outcome based on the histologic characteristic of the biopsy.
Methods: Prospective study of 86 consecutive patients undergoing IVF utilizing AECC.
Results: The patients were on average 37.4±4.0 years with a history of 2.6±1.8 failed previous attempts. An overall clinical pregnancy rate of 45.3% per ET was found. The embryos grown in AECC were of an improved quality in comparison to those grown in conventional media. 33.7% (29/86) of the biopsies were out of phase (>3 days). In-phase (IP) and OOP (out of phase) specimens both demonstrated an improvement in embryo quality. However, OOP endometrial biopsies that displayed significant retarded endometrial development (< cycle day 19) did not demonstrate an improvement in embryos grown on AECC as compared to IP endometrial biopsies or OOP endometrial biopsies that demonstrated at least an endometrial development of cycle day 19.
Conclusions: We have demonstrated a significant improvement in embryo quality with AECC. We have also demonstrated that histologic dating of the endometrium is predictive of IVF outcome when utilizing AECC.
KEY WORDS:Autologous endometrial coculture cytokines endometrium IVF.
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