Mathewlynn, Sam

Academic background

Current DPhil student, Nuffield Department of Women’s and Reproductive Health

Teaching

Undergraduate: Placental anatomy demonstrations, regular lecture on fetal wellbeing as part of O&G clinical block, OSCE examiner

Research interests

Placental ultrasound, machine learning in ultrasound image processing, prediction of fetal growth restriction and pre-eclampsia

Recent Publications

1. Swinburne M, Krasner S, Mathewlynn S, Collins S. First-trimester biomarkers of gestational diabetes mellitus: A scoping review. Acta Obstet Gynecol Scand. 2025 Aug 29. doi: 10.1111/aogs.70046. Epub ahead of print. PMID: 40879308.

2. Marquardt N, Choi V, Martyn-Dickens C, Gorgens M, Mathewlynn S, Kurth T, Bouteiller P, Wieler LH. From pilot to practice: a scoping review protocol mapping the development of AI-enabled solutions for maternal health using technology readiness levels. BMJ Open. 2025 Aug 24;15(8):e105622. doi: 10.1136/bmjopen-2025-105622. PMID: 40850917; PMCID: PMC12382553.

3. Mathewlynn S, Starck LN, Yin Y, Soltaninejad M, Swinburne M, Nicolaides KH, Syngelaki A, Contreras AG, Bigiotti S, Woess EM, Gerry S, Collins S. Reference charts for first-trimester placental volume derived using OxNNet. Ultrasound Obstet Gynecol. 2025 Aug 1. doi: 10.1002/uog.29300. Epub ahead of print. PMID: 40746163.

4. 5. Mathewlynn SJ, Soltaninejad M, Collins SL. Artificial Intelligence and Postpartum Hemorrhage. Maternal-Fetal Medicine. 2025 Jan 25;7(01):22-8.Adu-Bredu T, Aryananda RA, Mathewlynn S, Collins SL. Exploring pathophysiological insights to improvediagnostic utility of ultrasound markers for distinguishing placenta accreta spectrum from uterine-scar dehiscence. Ultrasound Obstet Gynecol. 2025 Jan;65(1):85-93. doi: 10.1002/uog.29144. Epub 2024 Dec 15. PMID: 39676233; PMCID: PMC11693827.

6. Mathewlynn S, Kitmiridou D, Impey L, Ioannou C. The impact of late pregnancy dating on the detection of fetal growth restriction at term. Acta Obstet Gynecol Scand. 2024 May;103(5):938-945. doi: 10.1111/aogs.14769. Epub 2024 Jan 19. PMID: 38240293.

7. Hubble TR, Nair M, Aye CYL, Mathewlynn S, Greenwood C, Impey L. Early antenatal risk factors for births before arrival: An unmatched case-control study. Acta Obstet Gynecol Scand. 2024 Feb;103(2):294-303. doi: 10.1111/aogs.14720. Epub 2023 Nov 15. PMID: 37965812; PMCID: PMC10823386.

8. Mathewlynn S, Beriwal S, Ioannou C, Cavallaro A, Impey L. Abnormal umbilical artery pulsatility index in appropriately grown fetuses in the early third trimester: an observational cohort study. J Matern Fetal Neonatal Med. 2023 Dec;36(1):2152670. doi: 10.1080/14767058.2022.2152670. Epub 2022 Dec 8. PMID: 36482725.

9. Mathewlynn S, Impey L, Ioannou C. Detection of small- and large-for-gestational age using different combinations of prenatal and postnatal charts. Ultrasound Obstet Gynecol. 2022 Sep;60(3):373-380. doi: 10.1002/uog.24971. PMID: 35708532.

10. Garbagnati M, Aye CYL, Cavallaro A, Mathewlynn S, Ioannou C, Impey L. Ultrasound predictors of adverse outcome in pregnancy complicated by pre-existing and gestational diabetes. Acta Obstet Gynecol Scand. 2022 Jul;101(7):787-793. doi: 10.1111/aogs.14361. Epub 2022 Apr 20. PMID: 35441701; PMCID: PMC9564421.

11. Salim I, Staines-Urias E, Mathewlynn S, Drukker L, Vatish M, Impey L. The impact of a routine late third trimester growth scan on the incidence, diagnosis, and management of breech presentation in Oxfordshire, UK: A cohort study. PLoS Med. 2021 Jan 15;18(1):e1003503. doi: 10.1371/journal.pmed.1003503. Erratum in: PLoS Med. 2021 Apr 22;18(4):e1003613. PMID: 33449926; PMCID: PMC7810318.

12. Mathewlynn S, Knutzen L, Impey L. Intrapartum hypoxia and sexual dimorphism in adverse perinatal outcomes. Eur J Obstet Gynecol Reprod Biol. 2020 May;248:9-13. doi: 10.1016/j.ejogrb.2020.03.004. Epub 2020 Mar 6. PMID: 32182502.

13. Mathewlynn S, Collins SL. Volume and vascularity: Using ultrasound to unlock the secrets of the first trimester placenta. Placenta. 2019 Sep 1;84:32-36. doi: 10.1016/j.placenta.2019.06.379. Epub 2019 Jun 26. PMID: 31279487; PMCID: PMC7586067.

14. Mathewlynn, S. and Mackillop, L. (2023). AI in Obstetrics and Gynaecology. In AI in Clinical Medicine (eds M.F. Byrne, N. Parsa, A.T. Greenhill, D. Chahal, O. Ahmad and U. Bagci). https://doi.org/10.1002/9781119790686.ch25