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At least 19 recordsLinked to original sources
PubMed2026

Gut Dysbiosis in Selected Gynecological Diseases Associated with Female Infertility: A Scoping Review.

Background/Objectives: Female infertility represents a significant public health issue. Available evidence supports the hypothesis that the gut microbiota may play an essential role in women's reproductive health and may serve as a diagnostic or prognostic biomarker in specific gynecological disorders. A substantial part of current research concerns disturbed communication between the hypothalamic-pituitary-ovarian axis and the gut microbiota, providing the basis for analyzing this phenomenon as the gut-ovary axis or the gut-vagina-ovary axis. The primary aim of this scoping review was to map the available evidence on the relationship between gut microbiota composition and female infertility, with particular emphasis on polycystic ovary syndrome (PCOS, currently polyendocrine metabolic ovarian syndrome, PMOS) endometriosis, and uterine fibroids. Methods: The review was conducted in accordance with the PRISMA Extension for Scoping Reviews (PRISMA-ScR). PubMed, Scopus, and Google Scholar were searched using terms related to gut microbiota, female infertility, PCOS, endometriosis, and uterine leiomyomas. Peer-reviewed publications in English published between 2015 and 2025 were considered. The included studies were descriptively synthesized to identify recurring microbiota patterns and research gaps. Results: The reviewed evidence indicates that gut dysbiosis may be associated with selected gynecological disorders affecting fertility, including PCOS, endometriosis, and uterine fibroids. The gut microbiome may have potential value as a biomarker supporting diagnosis, treatment selection, and prognosis. Conclusions: The gut microbiome represents a promising but still insufficiently validated area in the management of gynecological diseases associated with female infertility. Further high-quality clinical studies are needed to verify the effectiveness of microbiome-based therapies and to develop evidence-based guidelines for managing infertility associated with gut dysbiosis.

dysbiosis↗
PubMed2025

Education, socioeconomic status, leisure sedentary behaviors and female infertility: mendelian randomization study.

BACKGROUND: Previous studies have indicated that education, socioeconomic status, and leisure sedentary behavior may be associated with female infertility. However, it remains unclear whether these associations imply causal relationships. METHODS: Genetic variants from genome-wide association studies (GWAS) of education, socioeconomic status, and leisure sedentary behaviors were obtained from the UK Biobank and MRC-IEU database (Medical Research Council Integrative Epidemiology Unit), female infertility data was acquired from the FinnGen Biobank. Univariable and multivariable MR analyses were performed to explore the relationships between these traits and female infertility. RESULTS: The results of the univariate MR analysis indicated that age of full-time education had a protective effect on female infertility (odds ratio [OR] 0.471; 95% confidence interval [CI] 0.24 to 0.93; p = 0.03). Multivariable MR and reverse MR studies support the existence of a relationship between them. However, no causal correlation was found between other traits and female infertility. No significant heterogeneity or horizontal pleiotropy was detected, and the stability of the results was confirmed through sensitivity analysis and the leave-one-out test. CONCLUSIONS: A later age of completion of full-time education may be causally related to a reduced risk of female infertility, but no causality is established between other educational levels factors, socioeconomic status, or sedentary behaviors and infertility risk.

Humans↗
PubMed2026

Association between hepatic steatosis index and female infertility: a cross-sectional study using NHANES 2013-2018.

Female infertility is a major reproductive health concern. Hepatic steatosis index (HSI), a non-invasive marker of liver-related metabolic burden, has not been well studied in relation to infertility across its distribution. We analyzed women aged 20-49 years from three NHANES cycles (2013-2018). HSI was examined as both a continuous variable and in quartiles, and restricted cubic spline models were used to assess potential nonlinearity. Sensitivity analyses using alternative infertility definitions and exploratory interaction analyses were also performed. Among 3,007 women, 416 (13.8%) were classified as having infertility. In the fully adjusted model, women in the highest HSI quartile had higher odds of infertility than those in the lowest quartile (OR 1.66, 95% CI 1.08-2.57; P = 0.031), with a significant trend across quartiles (P for trend = 0.010). Restricted cubic spline analysis showed a nonlinear association between HSI and infertility (P for overall association = 0.005), which was more evident at higher HSI levels. Higher HSI was associated with greater odds of infertility among reproductive-aged women.

Humans↗
PubMed1979

Genetic causes and workup of male and female infertility. 3. Details of the clinical evaluation.

In the evaluation of male and female infertility the history, family history, physical examination, and endocrine and gonadal functional evaluations are the most informative measures. The cause of the infertility is never found in some 17.5% of couples and in almost one fourth of males. In over one third of cases male infertility is attributed to varicocele. In 40% of women infertility can be attributed to ovulatory or cervical factors, uterotubal disease, endometriosis and other pelvic disease, or a combination of these factors. For couples with primary infertility the fertility rate after seven years is only 36%; in such cases the neonatal death rate, frequency of low birth weight, and incidence of major malformations are several time greater than in the normal population.

Adult↗
PubMed1978

Salpingitis isthmica nodosa in female infertility and ectopic tubal pregnancy.

Salpingitis isthmica nodosa has been studied in relation to female infertility and tubal ectopic pregnancy. The incidence of this lesion in a control Caucasian population was 0.6%, as compared with incidences of 2.86% in an ectopic group and 50% in a small infertility group undergoing tuboplasty. It is suggested that salpingitis isthmica nodosa should be considered as an etiologic factor in these reproductive disorders. Chronic tubal spasm is suggested as the underlying process.

Adolescent↗
PubMed1978

Serum-prolactin in female infertility.

55 of 100 new female patients attending an infertility clinic had serum-prolactin concentrations greater than the upper limit of normal (360 mU/l). There was no significant correlation between serum-prolactin value and clinical features including age, duration of infertility, past reproduction, menstrual pattern, past use of oral contraception, or pregnancy-rate after treatment. The place of serum-prolactin estimations in the management of infertile women is unclear, particularly since the precision of currently available radioimmunoassays is questionable. The major value of serum-prolactin estimations lies in identifying those patients in whom further investigation for pituitary tumour is indicated both before treatment and during any ensuing pregnancy, and in selecting patients suitable for bromocriptine therapy.

Adenoma↗
PubMed2025

Association between gynecological cancers and female infertility: insights from bidirectional Mendelian randomization analysis.

PURPOSE: In recent years, research interest in the potential link between female infertility (FI) and gynecological cancer (GC), including ovarian cancer (OC), endometrial cancer (EC), cervical cancer (CC), and breast cancer (BC), has grown, yet findings remain inconclusive. This study aims to explore the causal relationship between FI and GC using bidirectional two-sample Mendelian randomization (MR) analyses, thereby informing future strategies for FI and GC prevention. METHODS: We utilized SNPs identified from genome-wide association studies (GWAS) on FI and GC. The inverse variance weighted (IVW) method served as the primary approach to assess the causal association between FI and GC. Additionally, five other MR methods-Weighted median, Weighted mode, MR-Egger, Simple mode, and Robust-Adjusted Profile Score-were employed to enhance result robustness and credibility. RESULTS: In the forward MR analysis, our IVW results indicated no significant association between FI and GC (FI-BC: OR = 0.95, 95% CI: 0.83-1.09, P = 0.47, P-FDR = 0.775; FI-OC: OR = 1.01, 95% CI: 0.84-1.24, P = 0.789, P-FDR = 0.896; FI-CC: OR = 0.80, 95% CI: 0.61-1.06, P = 0.118, P-FDR = 0.775; FI-EC: OR = 1.07, 95% CI: 0.88-1.30, P = 0.490, P-FDR = 0.775).In the reverse MR analysis, we found a marginal association between BC and FI. However, after adjusting for multiple testing using the FDR method, no significant causal relationship was found between BC and FI, suggesting a marginal association (OR = 1.054, 95% CI: 1.001-1.108, P = 0.043, P-FDR = 0.331). For other cancers, no significant causal relationships were observed between OC, CC and EC with FI(OC-FI: OR = 1.043, 95% CI: 0.999-1.087, P = 0.051, P-FDR = 0.331;CC-FI: OR = 0.992, 95% CI: 0.956-1.028, P = 0.654, P-FDR = 0.836; EC-FI: OR = 1.006, 95% CI: 0.956-1.055, P = 0.809, P-FDR = 0.885). CONCLUSIONS: Our study found no significant causal relationship between FI and GC. However, a potential marginal association between BC and FI was observed. These findings underscore the need for further research to confirm this association and emphasize the importance of reproductive protection for young breast cancer patients to preserve fertility.

Humans↗
PubMed2026

Bisphenols and their role in female infertility and hormone-related cancer.

Various types of external chemicals can disrupt the endocrine system, interfering with normal hormone function and causing a broad spectrum of negative health effects. Endocrine-disrupting chemicals (EDCs) are a diverse group of natural and synthetic chemicals that are known to contaminate the environment. It is postulated that these agents can contribute to the development of many diseases, including infertility and cancer, because of their ability to interfere with estrogen receptors (ERs). Bisphenols (BPs) are a group of compounds that belong to EDCs, the most common of which is bisphenol A (BPA). Due to restrictions on the use of BPA in industry, analogues such as bisphenol S (BPS) and bisphenol F (BPF) have been introduced. However, some reports indicate that BPA analogues also have negative effects on the endocrine system in both humans and animals because of their structural similarity. This review summarises current knowledge related to BPA, its analogues and their role in female infertility and hormone-related cancers. Furthermore, this review also points to the problem of exposure to more than one estrogenic agent and highlights the importance of considering exposure to multiple chemicals when assessing health effects and setting daily limits.

Humans↗
PubMed1979

Surgical treatment of endometriosis in the infertile female: a modified approach.

Two groups of infertile women underwent conservative surgery for endometriosis, group I (107 patients) prior to 1970 and group II (138 patients) after 1970. To determine whether modifications to the surgical approach after 1970 further increased the likelihood of conception, postoperative pregnancy rates were examined. The data suggest that postoperative pregnancy rates can be improved by (1) removal rather than "repair" of diseased adnexa if the involvement is unilateral and (2) leaving diseased areas undisturbed where excision or cauterization may predispose to the development of postoperative ovarian and/or tubal adhesions. The current surgical technique (used for group II) is described in detail.

Adnexa Uteri↗
PubMed1979

Genetic causes and workup of male and female infertility. 2. Abnormalities presenting between birth and adult life.

At birth some 6/1,000 persons have chromosome abnormalities; in about 60% of cases these abnormalities cause death or infertility, and in one third fertility is reduced. Some 1.7% of persons (3.4% of couples) with recurrent spontaneous abortion, infertility, or both have a chromosome abnormality. Chromosome abnormalities are far more common in men than in women with infertility; 15% to 20% of men with azoospermia have the Klinefelter syndrome. Meiotic defects explain 20% of male infertility in patients with apparently normal somatic chromosomes. Congenital malformations of the genitalia are more common in males than in females; about 0.82% of liveborn males have hypospadias. Almost one sixth of women with primary amenorrhea have some form of müllerian atresia, usually with associated renal anomalies.

Chromosome Aberrations↗