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The aim of the present study was to explore the influence of positive simple thyroid peroxidase antibody (TPO-Ab) on female infertility. Venous blood was collected on an empty stomach from infertile female patients (all of whom were in line with the World Health Organization's diagnostic criteria for infertility) receiving treatments at The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University from 2014 to 2017 to detect thyroid function and thyroid antibodies [thyroglobulin antibody (TG-Ab), TPO-Ab and thyroid microsome antibody (TM-Ab)]. A total of 529 patients with normal thyroid function, TG-Ab and TM-Ab were included in the present study; they were divided into the positive group (121 cases with positive TPO-Ab) and the negative group (408 cases with negative TPO-Ab). Comparisons of age, body mass index (BMI), basal hormone levels, irregular menstruation, tubal obstruction, premature ovarian failure (POF), endometriosis (EMT) and polycystic ovary syndrome (PCOS) between the two groups of patients were conducted in order to determine whether the differences were statistically significant. The incidence rate of EMT was 39.6% in the positive group and 17.1% in the negative group (P&lt;0.05). The incidence rate of PCOS in the observation group was 43.9%, which was significantly higher than that of the control group (21.3%; P&lt;0.01). The results revealed that the differences in age, BMI, basal hormone levels, irregular menstruation and POF between the two groups were not statistically significant (P&gt;0.05). Finally, the factors that had statistical significance (EMT and PCOS) were stratified by different age groups to compare the incidence rate of positive results among the different age groups, thus concluding which age group was influenced to a greater extent by TPO-Ab. The results indicated that positive TPO-Ab may be associated with PCOS and EMT, though particularly with PCOS. Infertile PCOS patients aged 28-35 years old were influenced more by TPO-Ab than those in other age groups. Thus, it is recommended that thyroid autoantibodies are detected in infertile PCOS females aged 28-35 years old, and treatment should be administered as soon thereafter.

An exploration on the influence of positive simple thyroid peroxidase antibody on female infertility