Comparison of uterine artery Doppler measurements at 6 weeks of pregnancy after IVF between pregnancies that resulted in miscarriage and ongoing pregnancies

Objective To compare uterine artery pulsatility index (UTPI) at 6 weeks of pregnancy following in vitro fertilization (IVF) and embryo transfer (ET) between clinical pregnancies that resulted in a miscarriage and those that were ongoing beyond 12 weeks. Methods A prospective observational study was...

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Bibliographic Details
Published in:International journal of gynecology and obstetrics 2021-02, Vol.152 (2), p.249-255
Main Authors: Guo, Jun, Chaemsaithong, Piya, Huang, Jin, Chung, Jacqueline P.W., Huang, Junhong, Poon, Liona C.Y., Li, Tin Chiu
Format: Article
Language:English
Subjects:
Abortion, Spontaneous
Adult
Doppler
Early pregnancy loss
Embryo Transfer
Female
Fertilization in Vitro
Hong Kong
Humans
In vitro fertilization
Miscarriage
Pregnancy
Prospective Studies
Pulsatility index
Ultrasonography, Doppler
Uterine artery
Uterine Artery - diagnostic imaging
Uterus - blood supply
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Summary:Objective To compare uterine artery pulsatility index (UTPI) at 6 weeks of pregnancy following in vitro fertilization (IVF) and embryo transfer (ET) between clinical pregnancies that resulted in a miscarriage and those that were ongoing beyond 12 weeks. Methods A prospective observational study was conducted in an IVF unit at Prince of Wales Hospital, Hong Kong, between December 1, 2017 and December 31, 2019. UTPI was measured at 6 weeks of pregnancy among women who conceived following IVF/ET. Results Among 153 participants, 22 (14.4%) had a miscarriage whereas 131 (85.6%) had an ongoing pregnancy beyond 12 weeks. Median UTPI in pregnancies that ended in a miscarriage was significantly lower than those that progressed beyond 12 weeks (2.1, IQR 1.9–2.4 vs 2.50, IQR 2.2–2.9, respectively; P2.9), between the 25th–75th percentiles (2.2–2.9), and below the 25th percentile (
ISSN:0020-7292
1879-3479
DOI:10.1002/ijgo.13371