Associate Professor Helen Ritchie
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Associate Professor Helen Ritchie

Associate Professor
Biomedical Sciences, School of Medical Sciences
Phone
+61 2 9351 9476
Fax
+61 2 9351 9715
Associate Professor Helen Ritchie

Dr Helen Ritchie is a developmental toxicologist with a special interest in the effects of vitamin A, herbal medicine and cardiovascular medicines on the developing embryo and fetus.

Reproductive, Maternal and Child Health, Lifespan

Publications

Journals

  • Ritchie, H., Yang, H., Hegedus, E. (2024). Enhancing students' agency in learning anatomy vocabulary with a formative intervention design. Clinical Anatomy. [More Information]
  • Ritchie, H., Oakes, D., Drury, H., Ollerenshaw, S., Hegedus, E. (2023). Can drawing instruction help students with low visuospatial ability in learning anatomy? Anatomical Sciences Education, 16(2), 252-265. [More Information]
  • Ritchie, H., Hegedus, E., Ma, J., Kennedy, D. (2022). A descriptive analysis of calls to the NSW Teratogen Information Service regarding use of anti-infectives during pregnancy. PloS One, 17(10 October). [More Information]

Conferences

  • Ritchie, H., Stuart, M., Baguley, J. (2005). Meeting the challenge of using grade descriptors and multiple choice assessment tests in an inter-professional group of students. 3rd EdHealth Conference 2005.
  • Yao, M., Woodman, P., Ritchie, H. (2002). Do the herbal remedies - feverfew and valerian have an adverse effect on pregnancy outcome in the rat? Third Research Conference 2002 "from cell to society 3". British Medical Journal Publishing Group.
  • Yao, M., Woodman, P., Ritchie, H. (2001). Do herbal remedies have an adverse effect on pregnancy outcome in the rat? Australian Birth Defects Society, : World Scientific Publishing.

2024

  • Ritchie, H., Yang, H., Hegedus, E. (2024). Enhancing students' agency in learning anatomy vocabulary with a formative intervention design. Clinical Anatomy. [More Information]

2023

  • Ritchie, H., Oakes, D., Drury, H., Ollerenshaw, S., Hegedus, E. (2023). Can drawing instruction help students with low visuospatial ability in learning anatomy? Anatomical Sciences Education, 16(2), 252-265. [More Information]

2022

  • Ritchie, H., Hegedus, E., Ma, J., Kennedy, D. (2022). A descriptive analysis of calls to the NSW Teratogen Information Service regarding use of anti-infectives during pregnancy. PloS One, 17(10 October). [More Information]

2021

  • Douglas-Morris, J., Ritchie, H., Willis, C., Reed, D. (2021). Identification-Based Multiple-Choice Assessments in Anatomy can be as Reliable and Challenging as Their Free-Response Equivalents. Anatomical Sciences Education, 14(3), 287-295. [More Information]
  • Ritchie, H., Abela, D., Ababneh, D., Howe, A., Farrell, E., Hegedus, E. (2021). The effect of phenytoin on embryonic heart rate in Vivo. Reproductive Toxicology, 106, 109-114. [More Information]

2020

  • Ritchie, H., Saini, B., Twigg, M., Kennedy, D. (2020). Utilisation of a NSW teratology information service by pharmacists and patients referred by a pharmacist from 2000 to 2018. Australian and New Zealand Journal of Obstetrics and Gynaecology, 60(3), 412-418. [More Information]

2019

  • Hegedus, E., Oakes, D., Hill, M., Ritchie, H., Kennedy, D. (2019). Calls to a Major Teratogen Information Service Regarding Exposures During Breastfeeding. Breastfeeding Medicine, 14(9), 1-6. [More Information]
  • Ritchie, H., Oakes, D., Farrell, E., Abaneh, D., Howe, A. (2019). Fetal hypoxia and hyperglycemia in the formation of phenytoin-induced cleft lip and maxillary hypoplasia. Epilepsia Open, 4(3), 443-451. [More Information]
  • Chapman, G., Moreau, J., I P, E., Szot, J., Iyer, K., Shi, H., Yam, M., O'Reilly, V., Enriquez, A., Greasby, J., Blue, G., Winlaw, D., Ritchie, H., Grieve, S., et al (2019). Functional genomics and gene-environment interaction highlight the complexity of congenital heart disease caused by Notch pathway variants. Human Molecular Genetics, 29(4), 566-579. [More Information]

2018

  • Ritchie, H., Moore, N., Webster, W. (2018). Ethylene Glycol Teratogenicity: A Role for Embryonic Acidosis? Toxicological Sciences, 161(2), 421-430. [More Information]
  • Prestipino, L., Polson, J., Brolin, E., Ritchie, H. (2018). Long-term programming effects on blood pressure following gestational exposure to the IKr blocker Dofetilide. Physiological Reports, 6(5), 1-15. [More Information]
  • Leung, H., Saini, B., Ritchie, H. (2018). Medications and pregnancy: The role of community pharmacists – A descriptive study. PloS One, 13(5). [More Information]

2017

  • Kennedy, D., Webster, W., Hill, M., Ritchie, H. (2017). Abnormal pregnancy outcome associated with high-dose maternal tranylcypromine therapy: case report and literature review. Reproductive Toxicology, 69, 146-149. [More Information]
  • Ritchie, H., Oakes, D., Hegedus, E., Hill, M., Kennedy, D. (2017). Counselling regarding paternal exposures: Can we do better? Australian and New Zealand Journal of Obstetrics and Gynaecology, 57(2), 162-167. [More Information]
  • Ritchie, H., Oakes, D., Kennedy, D., Polson, J. (2017). Early Gestational Hypoxia and Adverse Developmental Outcomes. Birth Defects Research, 109(17), 1358-1376. [More Information]

2016

  • Ritchie, H., Ragnerstam, C., Gustafsson, E., Jonsson, J., Webster, W. (2016). Control of the heart rate of rat embryos during the organogenic period. Hypoxia, 4, 147-159. [More Information]

2015

  • Ritchie, H., Oakes, D., Hung, T., Hegedus, E., Sood, S., Webster, W. (2015). The Effect of Dofetilide on the Heart Rate of GD11 and GD13 Rat Embryos, in vivo, Using Ultrasound. Birth Defects Research (Part B), 104(5), 196-203. [More Information]

2014

  • Ritchie, H., Svensson, C., Nilsson, M., Webster, W. (2014). A comparison of drug-induced cardiotoxicity in rat embryos cultured in human serum or protein free media. Journal of Pharmacological and Toxicological Methods, 70(3), 276-282. [More Information]
  • Webster, W., Nilsson, M., Ritchie, H. (2014). Therapeutic Drugs that Slow the Heart Rate of Early Rat Embryos. Is there a Risk for the Human? Current Pharmaceutical Design, 20(34), 5364-5376. [More Information]

2013

  • Nilsson, M., Ritchie, H., Webster, W. (2013). The effect on rat embryonic heart rate of Na+, K+, and Ca2+ channel blockers, and the human teratogen phenytoin, changes with gestational age. Birth Defects Research (Part B), 98(5), 416-427. [More Information]
  • Ritchie, H., Ababneh, D., Oakes, D., Power, C., Webster, W. (2013). The teratogenic effect of dofetilide during rat limb development and association with drug-induced bradycardia and hypoxia in the embryo. Birth Defects Research (Part B), 98(2), 144-153. [More Information]

2012

  • Ababneh, D., Ritchie, H., Webster, W. (2012). Antidepressants Cause Bradycardia and Heart Block in GD 13 Rat Embryos In Vitro. Birth Defects Research. Part B: Developmental and Reproductive Toxicology, 95(2), 184-193. [More Information]
  • Gunnstrom, M., Ababneh, D., Webster, W., Oakes, D., Ritchie, H. (2012). Antipsychotic drugs cause bradycardia in GD 13 rat embryos in vitro. Reproductive Toxicology, 34(3), 443-450. [More Information]

2010

  • Abela, D., Ritchie, H., Ababneh, D., Gavin, C., Nilsson, M., Khan, M., Carlsson, K., Webster, W. (2010). The effect of drugs with ion channel-blocking activity on the early embryonic rat heart. Birth Defects Research. Part B: Developmental and Reproductive Toxicology, 89(5), 429-440. [More Information]

2009

  • Oakes, D., Ritchie, H., Woodman, P., Narup, E., Moscova, M., Picker, K., Webster, W. (2009). Genotoxicity studies of a desealant solvent mixture, SR-51. Toxicology and Industrial Health: An International Journal, 25(1), 5-13. [More Information]

2008

  • Yao, M., Ritchie, H., Brown-Woodman, P. (2008). A reproductive screening test of hawthorn. Journal of Ethnopharmacology, 118, 127-132. [More Information]
  • Warner, R., Ritchie, H., Woodman, P., Oakes, D., Pourghasem, M. (2008). The effect of prenatal exposure to a repeat high dose of toluene in the fetal rat. Reproductive Toxicology, 26, 267-272. [More Information]

2007

  • Yao, M., Ritchie, H., Woodman, P. (2007). A developmental toxicity-screening test of valerian. Journal of Ethnopharmacology, 113(2), 204-209. [More Information]

2006

  • Yao, M., Ritchie, H., Woodman, P. (2006). A reproductive screening test of feverfew. Is a full reproductive study warranted? Reproductive Toxicology, 22(4), 688-693. [More Information]

2005

  • Yao, M., Ritchie, H., Woodman, P. (2005). A reproductive screening test of goldenseal. Birth Defects Research. Part B: Developmental and Reproductive Toxicology, 74(5), 399-404. [More Information]
  • Ritchie, H., Stuart, M., Baguley, J. (2005). Meeting the challenge of using grade descriptors and multiple choice assessment tests in an inter-professional group of students. 3rd EdHealth Conference 2005.

2004

  • Woodman, P., Ritchie, H., Korabelnikoff, A., Emmanuel, C. (2004). Replacement Of Ether With Alternate Volatile Anesthetics For Collection Of Rat Serum Used In Embryo Culture. Toxicology in Vitro, 18(5), 719-724. [More Information]

2003

  • Ritchie, H., Woodman, P., Korabelnikoff, A. (2003). Effect of Co-Administration of Retinoids on Rat Embryo Development In Vitro. Birth Defects Research. Part A: Clinical and Molecular Teratology, 67(6), 444-451. [More Information]
  • Boswell-Ruys, C., Ritchie, H., Woodman, P. (2003). Preliminary screening study of reproductive outcomes after exposure to yarrow in the pregnant rat. Birth Defects Research. Part B: Developmental and Reproductive Toxicology, 68(5), 416-420. [More Information]

2002

  • Oakes, D., Webster, W., Woodman, P., Ritchie, H. (2002). A Study of the Potential for a Herbicide Formulation Containing 2,4-D and Picloram to Cause Male-Mediated Developmental Toxicity in Rats. Toxicological Sciences, 68(1), 200-206. [More Information]
  • Yao, M., Woodman, P., Ritchie, H. (2002). Do the herbal remedies - feverfew and valerian have an adverse effect on pregnancy outcome in the rat? Third Research Conference 2002 "from cell to society 3". British Medical Journal Publishing Group.
  • Oakes, D., Webster, W., Woodman, P., Ritchie, H. (2002). Testicular changes induced by chronic exposure to the herbicide formulation, Tordon 75D(R) (2,4-dichlorophenoxyacetic acid and picloram)in rats. Reproductive Toxicology, 16(3), 281-289. [More Information]

2001

  • Yao, M., Woodman, P., Ritchie, H. (2001). Do herbal remedies have an adverse effect on pregnancy outcome in the rat? Australian Birth Defects Society, : World Scientific Publishing.
  • Oakes, D., Webster, W., Woodman, P., Ritchie, H. (2001). Male mediated developmental toxicity and the herbicide formulation, Tordon 75D. Australian Birth Defects Society, : World Scientific Publishing.

Selected Grants

2023

  • Enabling evidence-based treatment of women during pregnancyand breastfeeding, Ritchie H, Dental Council of NSW/Education and Research Grant

2016

  • The role of foetal hyperglycaemia in the formation of cleft lip and maxillary hypoplasia., Howe A, Ritchie H, Webster W, Oakes D, Australian Dental Association Inc/Research Grant