Increase in Bifidobacterium is a characteristic of the difference in the salivary microbiota of pregnant and non-pregnant women.
Satsuki KatoToshiyuki NagasawaOsamu UeharaShintaro ShimizuNodoka SugiyamaKozue Hasegawa-NakamuraKazuyuki NoguchiMasayuki HataeHiroshige KakinokiYasushi FuruichiPublished in: BMC oral health (2022)
The results suggest that Bifidobacterium and progesterone levels are elevated in the saliva of healthy pregnant women compared with non-pregnant women.