TY - JOUR
T1 - First trimester pregnancy ultrasound findings as a function of method of conception in an infertile population
AU - Versen-Höynck, Frauke Von
AU - Petersen, Jenna S.
AU - Chi, Yueh Yun
AU - Liu, Jing
AU - Baker, Valerie L.
N1 - Funding Information:
Funding Information The study was supported by the National Institutes of Health/National Institutes of Child Health and Human Development P01 HD065647-01A1 (VLB) and a German Research Foundation Heisenberg-Fellowship Award VE490/8-1 (FVVH). The use of REDCap was supported by Stanford CTSA award number UL1 TR001085 from NIH/NCRR.
Publisher Copyright:
© Springer Science+Business Media, LLC, part of Springer Nature 2018.
PY - 2018/1/29
Y1 - 2018/1/29
N2 - Purpose The aim of this study was to determine whether first trimester ultrasound measurements of crown rump length (CRL) and gestational sac diameter (GSD) differ depending on the method of conception among infertile women. Method Infertile women, ages 21-50 years old, who conceived viable, singleton pregnancies via fresh embryo transfer (ET), frozen ET, non-in vitro fertilization (IVF) fertility treatment, or spontaneously were included in this observational cohort study at an academic fertility practice. Embryonic growth trajectories defined by the CRL and GSD at 6 and 8 weeks’ gestation were analyzed and compared among the methods of conception. Results Crown rump length at 6 weeks’ gestation was smaller for conceptions achieved via fresh ETcompared with frozen ET in a natural cycle (1.50 vs. 2.50 mm, p = 0.017). Crown rump length was smaller at 8 weeks’ gestation in conceptions achieved via fresh ET compared to frozen ET in a programmed cycle (16.13 vs. 17.02 mm, p = 0.039). Conclusion Among infertile women, embryo growth may differ between fresh and frozen ETas early as 6 and 8 weeks’ gestation.
AB - Purpose The aim of this study was to determine whether first trimester ultrasound measurements of crown rump length (CRL) and gestational sac diameter (GSD) differ depending on the method of conception among infertile women. Method Infertile women, ages 21-50 years old, who conceived viable, singleton pregnancies via fresh embryo transfer (ET), frozen ET, non-in vitro fertilization (IVF) fertility treatment, or spontaneously were included in this observational cohort study at an academic fertility practice. Embryonic growth trajectories defined by the CRL and GSD at 6 and 8 weeks’ gestation were analyzed and compared among the methods of conception. Results Crown rump length at 6 weeks’ gestation was smaller for conceptions achieved via fresh ETcompared with frozen ET in a natural cycle (1.50 vs. 2.50 mm, p = 0.017). Crown rump length was smaller at 8 weeks’ gestation in conceptions achieved via fresh ET compared to frozen ET in a programmed cycle (16.13 vs. 17.02 mm, p = 0.039). Conclusion Among infertile women, embryo growth may differ between fresh and frozen ETas early as 6 and 8 weeks’ gestation.
KW - Assisted reproduction
KW - Crown rump length
KW - Embryo transfer
KW - First trimester
KW - Gestational sac diameter
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U2 - 10.1007/s10815-018-1120-x
DO - 10.1007/s10815-018-1120-x
M3 - Article
C2 - 29380277
AN - SCOPUS:85041094453
SN - 1058-0468
VL - 35
SP - 863
EP - 870
JO - Journal of Assisted Reproduction and Genetics
JF - Journal of Assisted Reproduction and Genetics
IS - 5
ER -