Effect of Hyaluronan-enriched Medium on the Cumulative Ongoing Pregnancy Rate.

Effect of Hyaluronan-enriched Medium on the Cumulative Ongoing Pregnancy Rate: a Prospective Randomized Trial

Assessing whether the use of hyaluronan-enriched transfer medium can increase the cumulative ongoing pregnancy rate

Inclusion Criteria:

• Patients with own oocytes/embryos;
• Patients with female age at 1st OR in the study <40 year;
• Patients planned for a 2nd oocyte retrieval, with no clinical ongoing pregnancy after the previous oocyte retrieval
• Patients planned for a 3rd oocyte retrieval with no clinical ongoing pregnancy after previous oocyte retrievals
• Patients with female age at 1st OR in the study <40 year;
• Patients with BMI ≤32;
• Patients with written informed consent;

Exclusion Criteria:

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