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Birth size after embryo cryopreservation: larger by all measures?
Landsverk E, Westvik-Johari K, Romundstad LB, Opdahl S. Landsverk E, et al. Among authors: westvik johari k. Hum Reprod. 2023 Jul 5;38(7):1379-1389. doi: 10.1093/humrep/dead094. Hum Reprod. 2023. PMID: 37178338 Free PMC article.
Risk of Hypertensive Disorders in Pregnancy After Fresh and Frozen Embryo Transfer in Assisted Reproduction: A Population-Based Cohort Study With Within-Sibship Analysis.
H Petersen S, Westvik-Johari K, Spangmose AL, Pinborg A, Romundstad LB, Bergh C, Åsvold BO, Gissler M, Tiitinen A, Wennerholm UB, Opdahl S. H Petersen S, et al. Among authors: westvik johari k. Hypertension. 2023 Feb;80(2):e6-e16. doi: 10.1161/HYPERTENSIONAHA.122.19689. Epub 2022 Sep 26. Hypertension. 2023. PMID: 36154568 Free article.
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.
Westvik-Johari K, Lawlor DA, Romundstad LB, Bergh C, Wennerholm UB, Gissler M, Henningsen AA, Håberg SE, Tiitinen A, Spangmose AL, Pinborg A, Opdahl S. Westvik-Johari K, et al. Fertil Steril. 2023 Feb;119(2):265-276. doi: 10.1016/j.fertnstert.2022.10.020. Epub 2022 Dec 24. Fertil Steril. 2023. PMID: 36567207 Free PMC article.
The challenges of selective fertility and carryover effects in within-sibship analyses: the effect of assisted reproductive technology on perinatal mortality as an example.
Westvik-Johari K, Håberg SE, Lawlor DA, Romundstad LB, Bergh C, Wennerholm UB, Gissler M, Henningsen AA, Tiitinen A, Pinborg A, Opdahl S. Westvik-Johari K, et al. Int J Epidemiol. 2023 Apr 19;52(2):403-413. doi: 10.1093/ije/dyad003. Int J Epidemiol. 2023. PMID: 36715050 Free PMC article.
Separating parental and treatment contributions to perinatal health after fresh and frozen embryo transfer in assisted reproduction: A cohort study with within-sibship analysis.
Westvik-Johari K, Romundstad LB, Lawlor DA, Bergh C, Gissler M, Henningsen AA, Håberg SE, Wennerholm UB, Tiitinen A, Pinborg A, Opdahl S. Westvik-Johari K, et al. PLoS Med. 2021 Jun 25;18(6):e1003683. doi: 10.1371/journal.pmed.1003683. eCollection 2021 Jun. PLoS Med. 2021. PMID: 34170923 Free PMC article.
The risk of Type 1 diabetes in children born after ART: a Nordic cohort study from the CoNARTaS group.
Kyhl F, Spangmose AL, Gissler M, Rönö K, Westvik-Johari K, Henningsen AA, Bergh C, Wennerholm UB, Opdahl S, Forman J, Svensson J, Clausen T, Vassard D, Pinborg A. Kyhl F, et al. Among authors: westvik johari k. Hum Reprod Open. 2024 Apr 10;2024(2):hoae021. doi: 10.1093/hropen/hoae021. eCollection 2024. Hum Reprod Open. 2024. PMID: 38693959 Free PMC article.