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Does microbiota affect fertility?

By Jessica García Cataño M.D., M.Sc. (gynecologist).
Last Update: 01/04/2022

The microbiota is the set of bacteria or microorganisms found in various organs of human beings. These organisms live in balance, with specific functions and their presence at adequate levels is very important for our health.

The microbiota varies greatly among women and seems to be different according to the phases of a woman's life. In principle, the vagina and the endometrium are mainly populated by lactobacilli.
Various factors such as the use of contraceptives, hormonal levels, antibiotics, etc. can modify this microbiota and alter the balance.

Alterations in the endometrial microbiota and especially the presence of pathogenic bacteria are associated with a higher rate of miscarriage and implantation failure.

There are endometrial tests that can detect alterations in the endometrial microbiota and the presence of pathogenic bacteria that cause infections within the endometrium. The identification of alterations and their treatment with probiotics or antibiotics seem to have a positive effect on the pregnancy rate naturally or during fertility treatment.

More studies are needed to determine the real impact of the microbiota on fertility but current medical information suggests that it is very important.

Read the full article on: How does the microbiota influence fertility? ( 58).
 Jessica García Cataño
Jessica García Cataño
M.D., M.Sc.
Gynecologist
Degree in Medicine from the University of Guadalajara in Mexico, specializing in Gynecology and Obstetrics at the Fray Antonio Alcalde Civil Hospital. After completing a Master's in Human Reproduction at the Complutense University of Madrid, she became part of the Clinica Tambre gynecology team.
Gynecologist. Degree in Medicine from the University of Guadalajara in Mexico, specializing in Gynecology and Obstetrics at the Fray Antonio Alcalde Civil Hospital. After completing a Master's in Human Reproduction at the Complutense University of Madrid, she became part of the Clinica Tambre gynecology team.