New Study: What happens to the vaginal microbiome during and after pregnancy?

Toni Harman
6 min readAug 17

A new study looks at changes in the vaginal microbiome during and after pregnancy. Read the full blog-post for some surprising findings!

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New Study: What happens to the vaginal microbiome before and after pregnancy? Find out more about the microbiome during pregnancy, birth and breastfeeding? More info >>> https://bit.ly/MicrobirthSummit

About The Vaginal Microbiome

The community of microorganisms present in the vagina are closely connected to human health and the female reproductive system.

It’s been known the vaginal microbiome is relatively less diverse compared to the gut microbiome, but what is fascinating is that there are differences from woman to woman.

Now a new longitudinal clinical study by researchers from Stanford University and the University of Alabama at Birmingham looked at the dynamics of this microbial ecosystem, particularly what happens to the vaginal microbiome during and after pregnancy.

The findings are quite surprising. For example, the composition of the vaginal microbiome can depend on if, and how long ago, the woman had a previous baby. Amazing huh?!

The new study by Costello, E.K. et al., was published in Nature Communications on 12th July 2023.

Find out more about the science of human milk, birth, neuroscience and the microbiome. 20 PRESENTATIONS + ONE YEAR ACCESS + 12 HOURS CPD/CE + TRANSCRIPTS — instant access to The Microbirth Summit: Buy today and save $50 >>> https://bit.ly/MicrobirthSummit
  • Find out more about the science of human milk, birth, neuroscience and the microbiome.
  • 20 PRESENTATIONS + ONE YEAR ACCESS + 12 HOURS CPD/CE + TRANSCRIPTS
  • Instant access to The Microbirth Summit: Save $50 if you buy the Summit today (discount ends soon)>>> https://bit.ly/MicrobirthSummit

The Study:

This was a longitudinal clinical study that followed 168 women throughout their pregnancy and for one year after childbirth.

Toni Harman

I help parents and health professionals better understand the science of pregnancy, birth, breastfeeding and the microbiome. https://linktr.ee/toniharman