A study published in the journal Cell Host & Microbe has identified a link between the presence of Lactobacillus bacteria in the uterine lining and pregnancy outcomes in women undergoing fertility treatment, according to the report. Researchers examined endometrial samples from 149 women between the ages of 20 and 45 and found that the abundance of Lactobacillus declined with age, with the highest levels recorded in women under 30, the study stated.
The investigation followed participants for one year, during which 93 women underwent embryo transfers and 56 achieved clinical pregnancy, officials said. Women who became pregnant exhibited higher levels of Lactobacillus in their endometrium compared to those who did not, according to the researchers. The findings suggest that the uterine environment may provide information beyond a woman’s age alone when considering implantation, the authors noted.
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