The Mothersbabies Study

Are you interested in finding out how our microbiome (the DNA of all the ‘bugs’ that live on us and in us) can impact on pregnancies and breastfeeding, in both good and bad ways? Did you know that what you eat, who you date, your physical activity, living environment, and even your ethnicity impacts on your microbiome?

Examining the microbiome's role in preconception, pregnancy, and infancy.

We are currently recruiting people planning a pregnancy for The MothersBabies Study, a world-first pre-pregnancy study looking to uncover how a person’s microbiome changes from pre-pregnancy, throughout pregnancy, up until the baby’s first birthday, so that mums and bubs the world over may have the healthiest start to life.

Your involvement will for approximately 4 years, which includes pre-pregnancy assessment, pregnancy, and 24 month follow up once baby is born. This study is entirely observational, and there is no treatment involved. The entire study is conducted remotely using telehealth, with researchers asking questions about any existing medical and surgical history, any prior pregnancies, demographics, what you eat and drink, how much you exercise, and any medications you currently take. Microbiome samples include stool, oral, skin and vaginal swabs which are all collected by you at home and posted back to us.

We are currently recruiting people planning a pregnancy for The MothersBabies Study, a world-first pre-pregnancy study looking to uncover how a person’s microbiome changes from pre-pregnancy, throughout pregnancy, up until the baby’s first birthday, so that mums and bubs the world over may have the healthiest start to life.

Your involvement will for approximately 4 years, which includes pre-pregnancy assessment, pregnancy, and 24 month follow up once baby is born. This study is entirely observational, and there is no treatment involved. The entire study is conducted remotely using telehealth, with researchers asking questions about any existing medical and surgical history, any prior pregnancies, demographics, what you eat and drink, how much you exercise, and any medications you currently take. Microbiome samples include stool, oral, skin and vaginal swabs which are all collected by you at home and posted back to us.

For more information

mothersbabies@unsw.edu.au 

 

How to participate

This study is not currently recruiting. All current participants please continue your sample collections, sample return and complete surveys.

Approvals

This study has been Approved by the South Eastern Sydney LHD Research Ethics Committee HREC approval number:  2019/ETH00192

This study is registered on the ANZCTR, ACTRN12619000800123

This study has  Australian Breastfeeding Association Research Approval 202-4.

Mothersbabies study updates

MRC Director Engages in International Microbiome Collaboration in India

MRC Director Engages in International Microbiome Collaboration in India AIG Hospitals, Hyderabad Professor Emad El-Omar, Director of the UNSW Microbiome Research Centre (MRC), visited AIG Hospitals, Hyderabad, in January 2026 to engage with colleagues at the launch of...

Prof El-Omar Lectures at the World Congress of Gastroenterology 2025 and the Pancreas Summit in Melbourne, Sep 2025.

World Congress of Gastroenterology 2025 and Pancreas Summit, Melbourne Professor Emad El-Omar delivered invited lectures at the World Congress of Gastroenterology 2025 and at the Pancreas Summit in Melbourne. His presentations focused on emerging insights into the gut...

2025 Asian Pacific Digestive Week, 18 – 22 November 2025

Professor Emad El-Omar, Director of the Microbiome Research Centre at the University of New South Wales, recently chaired the microbiome session at Asian Pacific Digestive Week 2025 in Singapore. He also delivered a state-of-the-art lecture entitled “Gastrointestinal...

The Australian Gastro Week (AGW), held in conjunction with the World Congress of Gastroenterology in Melbourne (18–22 September 2025),

The Australian Gastro Week (AGW), held in conjunction with the World Congress of Gastroenterology in Melbourne (18–22 September 2025), featured strong representation from the Microbiome Research Centre, with active participation from both the IBD and Liver research...

St George and Sutherland Shire artists go by gut instinct in new exhibition

The Microbiome Research Centre (MRC) is proud to support two new exhibitions that bring gut health into the public eye in a bold and creative way. At Bankstown Arts Centre, the exhibition Gut Waters features Helen Pynor’s Lunar Cycle — 28 days of the artist’s own...

Gut Feelings Community Art Project –now at Hazelhurst Gymea

15 August to 2 September 2025 Gut Feelings: Crafting gut-brain connections Hazelhurst Arts Centre Gut Feelings: Bridging Science, Art, and Community Gut Feelings is a community engaged initiative that integrates science and art to explore the intricate relationship...

Crohn’s Colitis Cure, Sydney Friday 22 Aug 2025

Crohn's Colitis Cure, Sydney Friday 22 Aug 2025 Crohn's Colitis Cure held its fourth annual Face-to-Face meeting in Sydney  on Friday 22 Aug 2025 and it was a blast! There was fantastic discussion around benchmarking in IBD, the upcoming CCCure Consumer Co-Care app...

Yashar Houshyar presents at Australian Society for Microbiology Annual Scientific Meeting 2025 (ASM 2025) in Adelaide

Yashar Houshyar is a PhD student at the Microbiome Research Centre (MRC) within the IBD Program at the St George and Sutherland Clinical School. Since beginning his studies in 2023, he has been developing expertise in virome, antimicrobial resistance and exploring the...

PhD in Bioinformatics – AIM study

PhD positions in Bioinformatics Professor Georgina Hold is seeking a highly motivated PhD candidate with a background in bioinformatics or computational biology to join her research group at the Microbiome Research Centre, Faculty of Medicine and Health, University of...

Publications from the Mothersbabies Study

This article in the International Journal of Environmental Research and Public Health outlines the protocol and procedures undertaken as part of the Mothersbabies study. 

Read more at the publishers site.

 

Ready to Make a Difference?

You can support medical research in many ways. From taking part in studies,  sharing about the important work we do or even making a tax deductable donation through St George and Sutherland Medical Research Foundation.