ArticleCureus2026
An Unusual Case of Unexplained Infertility: Co-colonization of the Uterus and Seminal Fluid.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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Abstract
Chronic endometritis (CE) is defined as a persistent, mild inflammation of the endometrium induced by intrauterine bacterial infection. CE has been associated with infertility in patients with recurrent in vitro fertilization (IVF) failure. We report an unusual case of bacterial co-colonization of the endometrium and seminal fluid in a couple with unexplained infertility. A 35-year-old woman presented to the office for infertility evaluation after 16 months of inability to conceive naturally using ovulation kits. Initial workup revealed adequate ovarian reserve with an anti-Müllerian hormone (AMH) level of 4.8 ng/mL, tubal patency on hysterosalpingogram, and normal semen analysis. The patient and her partner failed to conceive following three cycles of ovulation induction with intrauterine insemination (IUI). In preparation for IVF, an endometrial biopsy (EMB) was performed, and five CD138+ plasma cells per 10 high-power fields suggested CE. The patient underwent antibiotic therapy, yet EMB remained positive. At this time, the partner's semen culture was positive for
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