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Thrush during pregnancy
Why am I getting thrush during my pregnancy?
Thrush is twice as likely to occur in a pregnant woman compared to the non-pregnant population (NSW 2024).
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This is due to hormonal fluctuations and related changes in the vaginal microbiome.
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During pregnancy, levels of oestrogen increase. Oestrogen is responsible for depositing sugars in the vagina wall which feeds healthy good bacteria but can also cause an overgrowth in candida. ​
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Oestrogen levels are highest in the third and final trimester. Generally, it's thought to peak at 32 weeks and to continue to increase until birth. This is when the risk of thrush infections will be at its highest.
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Thrush is unlikely to cause harm to the developing baby however, it can be excruciating for the mother and needs to be treated urgently.
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Thrush can be passed on to the baby if there is an active infection during labour. Thrush is usually easily treated in the newborn and not a cause for high concern.
How to treat thrush during pregnancy?
Thrush should be treated during pregnancy with expert guidance from a Doctor.
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Systemic drugs that work throughout your body like fluconazole should be avoided. This is because initial research has found toxicity relating to fetal development.
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Generally clotrimazole and nystatin pessaries have been shown to be a safe treatment.