Search Results - "Westvik‐Johari, K."

Birth size after embryo cryopreservation: larger by all measures? by Landsverk, E, Westvik-Johari, K, Romundstad, L B, Opdahl, S

“…Abstract STUDY QUESTION Are the changes in birthweight after frozen and fresh embryo transfer associated with corresponding changes in other measures of foetal…”
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EP21.02: Location of the gestational sac in pregnancies conceived by assisted reproductive technology by Seljeflot, E.B., Mørch, H., Eggebø, T.M., Opdahl, S., Saravelos, S., Schilling, H., Westvik‐Johari, K., Kahrs, B.H.

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EP08.17: Variations in first trimester fetal growth in pregnancies conceived by assisted reproductive technology by Seljeflot, E.B., Mørch, H., Eggebø, T.M., Opdahl, S., Saravelos, S., Schilling, H., Westvik‐Johari, K., Kahrs, B.H.

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EP08.03: First trimester fetal size in pregnancies conceived by assisted reproductive technology compared to reference curves by Seljeflot, E.B., Mørch, H., Eggebø, T.M., Opdahl, S., Saravelos, S., Schilling, H., Westvik‐Johari, K., Kahrs, B.H.

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The challenges of selective fertility and carryover effects in within-sibship analyses: the effect of assisted reproductive technology on perinatal mortality as an example by Westvik-Johari, Kjersti, Håberg, Siri E, Lawlor, Deborah A, Romundstad, Liv Bente, Bergh, Christina, Wennerholm, Ulla-Britt, Gissler, Mika, Henningsen, Anna-Karina A, Tiitinen, Aila, Pinborg, Anja, Opdahl, Signe

“…Abstract Background Within-sibship analyses show lower perinatal mortality after assisted reproductive technology (ART) compared with natural conception (NC),…”
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Abstracts of the 34th World Congress on Ultrasound in Obstetrics and Gynecology, 15-18 September 2024, Budapest, Hungary by Seljeflot, E B, Mørch, H, Eggebø, T M, Opdahl, S, Saravelos, S, Schilling, H, Westvik-Johari, K, Kahrs, B H

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P-718 Risk of placenta previa in assisted reproduction: population study with sibling analyses from the committee of Nordic ART and safety by Landsverk, E, Westvik-Johari, K, Wennerholm, U  B, Bergh, C, Kyhl, F, Spangmose, A  L, Vassard, D, Pinborg, A, Rönö, K, Gissler, M, Petersen, S  H, Opdahl, S

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O-093 Infant mortality after assisted reproductive technology – a Nordic collaborative study on 7,947,575 liveborn children by Vassard, D, Spangmose, A L, Stensballe, L G, Gissler, M, Rönö, K A, Opdahl, S, Kyhl, F, Westvik-Johari, K, Bergh, C, Wennerholm, U B, Pinborg, A

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Abstracts of the 34th World Congress on Ultrasound in Obstetrics and Gynecology, 15-18 September 2024, Budapest, Hungary by Seljeflot, E B, Mørch, H, Eggebø, T M, Opdahl, S, Saravelos, S, Schilling, H, Westvik-Johari, K, Kahrs, B H

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Abstracts of the 34th World Congress on Ultrasound in Obstetrics and Gynecology, 15-18 September 2024, Budapest, Hungary by Seljeflot, E B, Mørch, H, Eggebø, T M, Opdahl, S, Saravelos, S, Schilling, H, Westvik-Johari, K, Kahrs, B H

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Abstracts of the 34th World Congress on Ultrasound in Obstetrics and Gynecology, 15-18 September 2024, Budapest, Hungary by Fitzpatrick, S, Kale, M, Somerset, D, Soliman, N

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Abstracts of the 34th World Congress on Ultrasound in Obstetrics and Gynecology, 15-18 September 2024, Budapest, Hungary by Lee, J, Park, S, Jeong, K, Han, S

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P-769 Congenital heart defects in children born after assisted reproductive technology: A large cohort study from the Committee of Nordic Assisted Reproductive Technology and Safety (CoNARTaS) by Sargisian, N, Petzold, M, Furenäs, E, Gissler, M, Lærke Spangmose, A, Malchau Lauesgaard, S, Opdahl, S, Pinborg, A, Henningsen, A  K, Westvik-Johari, K, Rönö, K, Bergh, C, Wennerholm, U  B

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O-273 Risk of hypertensive disorders in pregnancy after fresh and frozen embryo transfer in assisted reproduction: A population-based cohort study with within sibship analysis by Petersen, S.H, Westvik-Johari, K, Spangmose, A.L, Pinborg, A, Bergh, C, Gissler, M, Tiitinen, A, Wennerholm, U.B, Åsvold, B.O, Romundstad, L.B, Opdahl, S

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Risk of Hypertensive Disorders in Pregnancy After Fresh and Frozen Embryo Transfer in Assisted Reproduction: A Population-Based Cohort Study With Within-Sibship Analysis by H. Petersen, Sindre, Westvik-Johari, Kjersti, Spangmose, Anne Lærke, Pinborg, Anja, Romundstad, Liv Bente, Bergh, Christina, Åsvold, Bjørn Olav, Gissler, Mika, Tiitinen, Aila, Wennerholm, Ulla-Britt, Opdahl, Signe

“…Frozen embryo transfer (frozen-ET) is increasingly common because of improved cryopreservation methods and elective freezing of all embryos. Frozen-ET is…”
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P-774 Congenital Heart Disease in Children Born after Assisted Reproductive Technology: A Nordic Cohort Study by Sargisian, N, Malchau Lauesgaard, S, Furenäs, E, Petzold, M, Opdahl, S, Gissler, M, Pinborg, A, Henningsen, A K A, Röno, K, Westvik-Johari, K, Lærke Spangmose, A, Bergh, C, Wennerholm, U B

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Congenital heart defects in children born after assisted reproductive technology: a CoNARTaS study by Sargisian, Nona, Petzold, Max, Furenäs, Eva, Gissler, Mika, Spangmose, Anne Lærke, Malchau Lauesgaard, Sara, Opdahl, Signe, Pinborg, Anja, Henningsen, Anna-Karina A, Westvik-Johari, Kjersti, Rönö, Kristiina, Bergh, Christina, Wennerholm, Ulla-Britt

“…Children born after assisted reproductive technology (ART) have worse perinatal outcomes compared with spontaneously conceived children. This study…”
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Separating parental and treatment contributions to perinatal health after fresh and frozen embryo transfer in assisted reproduction: A cohort study with within-sibship analysis by Westvik-Johari, Kjersti, Romundstad, Liv Bente, Lawlor, Deborah A, Bergh, Christina, Gissler, Mika, Henningsen, Anna-Karina A, Håberg, Siri E, Wennerholm, Ulla-Britt, Tiitinen, Aila, Pinborg, Anja, Opdahl, Signe

“…Background Compared to naturally conceived children, adverse perinatal outcomes are more common among children born after assisted reproductive technology with…”
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Risk of stillbirth and neonatal death in singletons born after fresh and frozen embryo transfer: cohort study from the Committee of Nordic Assisted Reproduction Technology and Safety by Westvik-Johari, Kjersti, Lawlor, Deborah A., Romundstad, Liv Bente, Bergh, Christina, Wennerholm, Ulla-Britt, Gissler, Mika, Henningsen, Anna-Karina A., Håberg, Siri E., Tiitinen, Aila, Spangmose, Anne Lærke, Pinborg, Anja, Opdahl, Signe

“…To investigate whether risks of stillbirth and neonatal death differ after fresh embryo transfers (fresh-ETs) and frozen embryo transfers (frozen-ETs) compared…”
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Congenital Heart Disease in Children Born after Assisted Reproductive Technology: A Nordic Cohort Study by Sargisian, N, Lauesgaard, SM, Furenas, E, Petzold, M, Opdahl, S, Gissler, M, Pinborg, A, Henningsen, AKA, Rono, K, Westvik-Johari, K, Spangmose, AL, Bergh, C, Wennerholm, UB

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