S-Space College of Medicine/School of Medicine (의과대학/대학원) Obstetrics & Gynecology (산부인과전공) Journal Papers (저널논문_산부인과학전공)
Does a vitrified blastocyst stage embryo transfer program need hormonal priming for endometrial preparation?
Cited 6 time in Web of Science Cited 6 time in Scopus
- Issue Date
- WILEY-BLACKWELL PUBLISHING, INC
- JOURNAL OF OBSTETRICS AND GYNAECOLOGY RESEARCH; Vol.36 4; 783-788
- blastocyst transfer ; embryo transfer ; endometrial preparation ; vitrified embryo transfer ; pregnancy outcomes
- Aim: To compare the clinical outcomes of a vitrified blastocyst stage embryo transfer (ET) program among natural, ovulation induced and artificial cycles. Material & Methods: The clinical outcomes were retrospectively analyzed in three groups according to endometrial preparation (natural cycle group [n = 34], ovulation induced [n = 21], and artificial cycles [n = 70]) among women that underwent vitrified blastocyst stage ET. Results: The overall pregnancy rate was 48.8%. There were no significant differences in the duration of endometrial preparation, endometrial thickness on the day of progesterone or human chorionic gonadotropin administration, implantation and clinical pregnancy rates among the three groups. Triple-line endometrial patterns were more frequently observed in the natural and ovulation induced groups than in the artificial cycle group (85.3% vs 64.3%, P = 0.021; 90.5% vs 64.3%, P = 0.016). Conclusion: Our findings suggest that the types of endometrial preparation may have no significant effect on the clinical outcomes of vitrified blastocyst ET. Hormonal priming does not appear to be a prerequisite for endometrial preparation for vitrified blastocyst ET.
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