Pregnant women who later got preeclampsia had less of a specific bacteria called Veillonella parvula in their mouths compared to women who stayed healthy during pregnancy.

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

association

Can only show association/correlation

Assessment Explanation

The study design (case-control observational) can only show association, not causation. The claim uses 'had lower abundance' which correctly describes the observed association without implying causation.

Evidence from Studies

Supporting (1)

Reduced Abundance of Nitrate-Reducing Bacteria in the Oral Microbiota of Women with Future Preeclampsia

Case-Control Study

Human

2022 Mar 8

Contradicting (0)

No contradicting evidence found

Source Study

Reduced Abundance of Nitrate-Reducing Bacteria in the Oral Microbiota of Women with Future Preeclampsia

Score: 41

DOI: 10.3390/nu14061139

Similar Assertions

The types and amounts of bacteria in the mouths of pregnant women who later got preeclampsia were more varied between individuals compared to women who stayed healthy.

82%

In pregnant women, having more Veillonella bacteria in the mouth was linked to lower blood pressure readings.

79%

Pregnant women who later got preeclampsia had more of several specific bacteria types (Methanosaeta, Desulfomicrobium, Enterococcus, Mycobacterium, Thiobacillus, and Ochrobactrum) in their mouths compared to women who stayed healthy.

79%

In pregnant women, higher levels of Veillonella bacteria in the mouth were linked to higher levels of Prevotella bacteria.

78%