Yıl: 2019 Cilt: 5 Sayı: 4 Sayfa Aralığı: 686 - 690 Metin Dili: İngilizce DOI: 10.18621/eurj.400462 İndeks Tarihi: 30-04-2021

The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers

Öz:
Objectives: The aim of this study was to investigate whether first trimester combined screening for major fetaltrisomies is influenced by assisted reproduction techniques (ART) from blastocyst transfer, with or withoutcryopreservation.Methods: This study is a retrospective analysis involving 115 singleton pregnancies with euploid fetusesrecruited between January 2017 and December 2017. Sixty-five women conceived with fresh blastocysts fromin vitro fertilization (IVF) cycles (fresh-blasto), 50 with frozen-thawed blastocysts. All cases underwentultrasound assessment at 11+0 - 13+6 weeks with measurements of crown rump length, nuchal translucency(NT) , free beta-human chorionic gonadotrophin (free β-hCG) and pregnancy-associated plasma protein A(PAPP-A) concentrations.Results: Baseline characteristics and pregnancy outcomes did not differ substantially among the study groups.The NT was not significantly different in the frozen-thawed -blasto compared to the fresh-blasto group (p =0.741). The free β-hCG levels was not significantly different in frozen-thawed-blasto group compared to freshblasto group (p = 0.495). The two groups showed no significant difference in the PAPP-A levels (p = 0,139).The median delta crown rump length was also not significantly different among the two groups (p = 0.758).Conclusions: In ART pregnancies from blastocyst transfer, with or without cryopreservation, the NTmeasurement, free β-hCG concentration and PAPP-A levels did not show any significant difference. Thesefeatures are apparently unrelated to the outcome of pregnancy and may be due to alterations or delays inembryogenesis or placentation with potential relevance for the screening test performance.
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APA dokuzeylul gungor n, Gürbüz T, Gokmen Karasu A, ersahin a (2019). The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. , 686 - 690. 10.18621/eurj.400462
Chicago dokuzeylul gungor nur,Gürbüz Tuğba,Gokmen Karasu Ayse Filiz,ersahin aynur The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. (2019): 686 - 690. 10.18621/eurj.400462
MLA dokuzeylul gungor nur,Gürbüz Tuğba,Gokmen Karasu Ayse Filiz,ersahin aynur The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. , 2019, ss.686 - 690. 10.18621/eurj.400462
AMA dokuzeylul gungor n,Gürbüz T,Gokmen Karasu A,ersahin a The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. . 2019; 686 - 690. 10.18621/eurj.400462
Vancouver dokuzeylul gungor n,Gürbüz T,Gokmen Karasu A,ersahin a The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. . 2019; 686 - 690. 10.18621/eurj.400462
IEEE dokuzeylul gungor n,Gürbüz T,Gokmen Karasu A,ersahin a "The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers." , ss.686 - 690, 2019. 10.18621/eurj.400462
ISNAD dokuzeylul gungor, nur vd. "The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers". (2019), 686-690. https://doi.org/10.18621/eurj.400462
APA dokuzeylul gungor n, Gürbüz T, Gokmen Karasu A, ersahin a (2019). The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. The European Research Journal, 5(4), 686 - 690. 10.18621/eurj.400462
Chicago dokuzeylul gungor nur,Gürbüz Tuğba,Gokmen Karasu Ayse Filiz,ersahin aynur The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. The European Research Journal 5, no.4 (2019): 686 - 690. 10.18621/eurj.400462
MLA dokuzeylul gungor nur,Gürbüz Tuğba,Gokmen Karasu Ayse Filiz,ersahin aynur The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. The European Research Journal, vol.5, no.4, 2019, ss.686 - 690. 10.18621/eurj.400462
AMA dokuzeylul gungor n,Gürbüz T,Gokmen Karasu A,ersahin a The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. The European Research Journal. 2019; 5(4): 686 - 690. 10.18621/eurj.400462
Vancouver dokuzeylul gungor n,Gürbüz T,Gokmen Karasu A,ersahin a The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers. The European Research Journal. 2019; 5(4): 686 - 690. 10.18621/eurj.400462
IEEE dokuzeylul gungor n,Gürbüz T,Gokmen Karasu A,ersahin a "The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers." The European Research Journal, 5, ss.686 - 690, 2019. 10.18621/eurj.400462
ISNAD dokuzeylul gungor, nur vd. "The alteration of first trimester screening markers in fresh and frozen-thawed blastocyst transfers". The European Research Journal 5/4 (2019), 686-690. https://doi.org/10.18621/eurj.400462