Details

Autor(en) / Beteiligte

• Vodička, J
• Dvořan, M
• Smékalová, K
• Michnová, L
• Hejtmánek, P
• Lehnertová, K
• Dostál, J
• Pešková, M
• Annenková, M
• Pilka, R

Titel

Various approaches of endometrial preparation for frozen-thawed embryo transfer

Ist Teil von

• Ceská gynekologie, 2018, Vol.83 (1), p.24

Ort / Verlag

Czech Republic

Erscheinungsjahr

2018

Quelle

MEDLINE

Beschreibungen/Notizen

• Various approaches of endometrial preparation for frozen-thawed embryo transfer. Retrospective analysis. Department of Obstetric and Gyneacology, Faculty of Medicine, Palacky University, University Hospital Olomouc. Effectivity of frozen-thawed embryo transfers was carried out between January and August 2017 in the IVF unit at the University Hospital Olomouc. Results were compared among groups A, B, C with various approaches of endometrial preparation. Group A - natural ovulating cycle, group B - artificial cycle with oral estrogen, vaginal gestagen and group C - artificial cycle with transdermal estrogen and vaginal gestagen. One blastocyst (two blastocyst in five cycles) was transferred on day 6 post ovulation (group A) or after 6 days of using gestagens (group B, C). The highest pregnancy rate was observed in group C (56%), similar pregnancy rate was found in group B (52%) and the lowest was seen in group A (22%). All pregnancies in group A continued over 12 weeks, in group B continued 57 percent and in group C continued 56 percent of pregnancies. Frozen-thawed embryotransfers in natural cycles are highly time-consuming. Our study has demonstrated the lowest effectivity of frozen-embryotransfer in natural cycles. Artificial cycles managed by oral or transdermal form of estrogen have shown better results.