scholarly journals PREVALANCE OF MALE INFERTILITY IN INDIA: STUDIES ON THE EFFECTS OF GONADOTROPIN RELEASING HORMONES

2017 ◽  
Vol 10 (8) ◽  
pp. 208
Author(s):  
Radhakrishnan Deventhiran ◽  
Kumaresan Ramanathan ◽  
Nagamurugan Nandakumar
Keyword(s):  
Male Infertility ◽  
Sperm Motility ◽  
Sperm Count ◽  
Follicle Stimulating Hormone ◽  
Sperm Concentration ◽  
Young Male ◽  
Lifestyle Changes ◽  
Infertile Men ◽  
Infertile Group ◽  
Stimulating Hormone

Objective: Nowadays, there is an increased incidence of infertility in Indian males due to lifestyle changes. Hence, the objective of this study isevaluating the gonadotropin releasing hormones (GnRH) level in infertile young male in Indian population.Materials and Methods: In total, 56 patients having abnormal semen count and five control patients have been included in the study. All patientswere underwent sperm count and estimation of hormones includes GnRH such as follicle stimulating hormone (FSH), tri-iodothyronine, thyroxin,prolactin, and testosterone.Results: The sperm concentration of infertile men was significantly lower than control. Sperm motility behaviors rapid, sluggish, and non-motilecharacters were significantly lower than control. Among GnRH, FSH has been significantly higher in infertile group than control group.Conclusion: FSH may be considered as a marker for male infertility.

scholarly journals Use of Biosimilar Follicle-Stimulating Hormone in Asthenozoospermic Infertile Patients: A Multicentric Study

2020 ◽  
Vol 9 (5) ◽  
pp. 1478
Author(s):  
Maurizio De Rocco Ponce ◽  
Carlo Foresta ◽  
Rocco Rago ◽  
Alessandro Dal Lago ◽  
Giancarlo Balercia ◽  
...  
Keyword(s):  
Dna Fragmentation ◽  
Sperm Count ◽  
Semen Analysis ◽  
Follicle Stimulating Hormone ◽  
Sperm Concentration ◽  
Comparable Efficacy ◽  
Control Group ◽  
Multicentric Study ◽  
Progressive Motility ◽  
Stimulating Hormone

There is increasing data in favour of follicle-stimulating hormone (FSH) therapy in patients with oligo-asthenozoospermia and normal-range gonadotropins in order to increase sperm count and above all sperm motility. Some studies showed an improvement in DNA fragmentation and spontaneous pregnancy. Recently, biosimilar FSH has been marketed with the same indications. We performed a retrospective multicentric case-control study involving 147 asthenozoospermic patients between 18 and 45 years of age. A total of 97 patients were treated with biosimilar FSH 150 UI three times a week for 3 months, while 50 control subjects received no treatment. Patients were evaluated at baseline and after 3 months with semen analysis including DNA fragmentation, testicular colour Doppler ultrasound, and blood tests. Spontaneous pregnancies were recorded during a further follow-up period of 6 months. Treated patients showed after treatment a statistically significant increase in sperm concentration, total sperm count, and total motile sperm, as well as improved progressive motility and non-progressive motility. DNA fragmentation showed a significant reduction. Conversely, in the control group, no significant change was found. Pregnancy rate was significantly higher in treated patients. These data suggest comparable efficacy of biosimilar FSH in the treatment of male infertility; however, larger studies are needed to confirm our results.

scholarly journals Retrospective Monocentric Clinical Study on Male Infertility: Comparison between Two Different Therapeutic Schemes Using Follicle-Stimulating Hormone

2021 ◽  
Vol 10 (12) ◽  
pp. 2665
Author(s):  
Rosita A. Condorelli ◽  
Rossella Cannarella ◽  
Andrea Crafa ◽  
Federica Barbagallo ◽  
Laura M. Mongioì ◽  
...  
Keyword(s):  
Sperm Count ◽  
Follicle Stimulating Hormone ◽  
Sperm Concentration ◽  
Serum Levels ◽  
Testicular Volume ◽  
Total Testosterone ◽  
Sperm Dna Fragmentation ◽  
Group A ◽  
Group B ◽  
Stimulating Hormone

Follicle-stimulating hormone (FSH) is a therapeutic option in patients with idiopathic oligozoospermia and normal FSH serum levels. However, few studies have evaluated which dose of FSH is more effective. The aim of this study was to compare the clinical efficacy of the two most frequently used FSH treatment regimens: 75 IU daily vs. 150 IU three times a week. Patients were retrospectively assigned to two groups. The first group (n = 24) was prescribed highly purified FSH (hpFSH) 75 IU/daily (Group A), and the second group (n = 24) was prescribed hpFSH 150 IU three times a week (Group B) for three months. Before and after treatment, each patient underwent semen analysis, evaluation of the percentage of DNA-fragmented spermatozoa, assessment of testicular volume (by ultrasonography), and measurement of FSH and total testosterone (TT) serum levels. Treatment with hpFSH significantly improved conventional sperm parameters. In detail, sperm concentration increased significantly after treatment only in Group A, whereas total sperm count, percentage of spermatozoa with progressive motility, normal morphology, or alive improved significantly in both groups. Interestingly, the percentage of sperm DNA fragmentation decreased significantly in both groups after treatment with hpFSH. FSH serum levels were expectably higher at the end of the treatment than before hpFSH was administered to both groups. Remarkably, TT serum levels only increased significantly in Group A. Finally, testicular volume was significantly higher in Group A after treatment, while it did not change significantly compared to baseline in Group B. The percentage of FSH responders did not differ significantly between the two groups (8/24 vs. 6/24). The daily administration of hpFSH 75 IU seems more effective than using 150 IU three times a week. However, this therapeutic scheme implies a higher number of injections and slightly higher costs.

scholarly journals Characteristic of spermogram parameters in men with reproductive pathology in age-related aspect

2022 ◽  
Vol 15 (6) ◽  
pp. 715-725
Author(s):  
S. V. Pichugova ◽  
V. A. Chereshnev ◽  
Ya. B. Beikin
Keyword(s):  
Sperm Motility ◽  
Sperm Count ◽  
Sperm Concentration ◽  
Reproductive Potential ◽  
Young Patients ◽  
Aged Patients ◽  
Adult Men ◽  
Infertile Men ◽  
Age Related ◽  
Reproductive Pathology

Introduction. The prevalence of andrological diseases among adolescents and young adults resulting in lowered reproductive potential has been noted to progressively increase. At the same time, the number of couples starting to manage reproductive issues after 35–40 years of age highlighting the onset of male androgen deficiency continues to rise. Therefore, the analysis of spermogram as the key element in assessing male reproductive potential is better to conduct at different age periods of man's life.Aim: to compare spermogram parameters in different age groups of patients with reproductive pathology.Materials and Мethods. The analysis of spermograms in adolescents with left-sided grade II–III varicocele aged 17 years and in infertile males aged 22–48 years was performed. Semen analysis was conducted in accordance with the standards of the 5 th edition of the World Health Organization and included the following parameters: semen volume (ml), sperm concentration (million/ml), total sperm count (million), acidity, viscosity, progressive motility, total motility, viability, morphology, detected mucus, leukocytes, amyloid bodies, lecithin grains as well as sperm aggregation and agglutination. The stained preparations were used to assess the morphology of spermatozoa and spermatogenesis cells. According to the spermogram data obtained, the following conclusions were drawn: normozoospermia, oligozoospermia, asthenozoospermia, teratozoospermia. Statistical analysis was performed by using Statistica 10.0 software (StatSoft Inc., USA). The normality distribution was assessed using the χ2 test. Quantitative parameters were presented as arithmetic means and standard deviations (M ± SD). Assessing significance of differences was performed by using the Student's t-test, whereas inter-parameter correlation relations were analyzed by using the linear Pearson's correlation coefficient. A significance level between inter-group parameters was set at p < 0.05.Results. It was found that adolescents with varicocele vs. adult men had significantly decreased ejaculate volume. In particular, the average ejaculate volume in adolescents and adult men was 2.32 ± 1.22 ml and 3.50 ± 1.44 ml, respectively, so that the larger number of young patients were noted to have ejaculate volume below 1.5 ml. Compared to young subjects, aged patients had decreased sperm concentration (35.88 ± 25.74 versus 72.20 ± 49.32 million/ml) and total sperm count (120.58 ± 91.72 versus 173.07 ± 163.92 million). Young patients were found to have significantly superior data in all categories of sperm motility, whereas infertile men were diagnosed with impaired sperm motility. In particular, adolescents were featured with the average number of spermatozoa displaying fast and slow translational movement comprising 17.12 ± 11.04 % and 29.30 ± 12.29 %, respectively, the proportion of progressive motility spermatozoa was 46.20 ± 19.82 %. In contrast, similar parameters in adult men were 5.10 ± 6.36 %, 19.80 ± 9.61 %, and 24.95 ± 11.23 %, respectively. In infertile men prevalence of lacked spermatozoa with rapid forward movement was 46 (46.0 %), in adolescents – 8 (8.6%), whereas rate of immotile spermatozoa in infertile men, on average, accounted for 53.10 ± 14.56 %, in adolescents – 34.40 ± 21.83 %. In addition, adolescents with varicocele had significantly fewer spermatozoa with normal morphology – 14.14 ± 8.06 % (in adult men – 30.08 ± 17.94 %), there were more abundant defects in the sperm head – 58.01 ± 12.43 % (in men – 48.83 ± 18.95 %) and flagella – 17.24 ± 6.31 % (in men – 10.29 ± 6.21 %). The data obtained showed that adolescents were more often diagnosed with normozoospermia – in 49 (52.7 %) cases, in infertile men – in 12 (12.0 %) cases, whereas in aged men asthenozoospermia was detected in 82 (82.0 %) cases, in adolescents – 5 (5.4 %) cases.Conclusion. The abnormalities in the spermogram revealed in adolescents may be associated with unestablished spermatogenesis. Normozoospermia more common in adolescents with varicocele may evidence about preserved reproductive potential. Impaired sperm motility in aged patients seems to be related to the formation of oxidative stress and damage to spermatozoa by reactive oxygen species due to combined age-related changes, cumulation of the negative effects of environmental and lifestyle factors, as well as comorbidities.

scholarly journals Relation between BMI and Semen parameters in male infertility patients in west of Algeria

2020 ◽  
Vol 10 (2-s) ◽  
pp. 64-67
Author(s):  
Dalila Ferrag ◽  
Abbassia Demmouche ◽  
Charaf Khalloua Zine
Keyword(s):  
Body Mass Index ◽  
Male Infertility ◽  
Body Mass ◽  
Semen Quality ◽  
Sperm Count ◽  
Sperm Concentration ◽  
Semen Parameters ◽  
Infertile Men ◽  
The Mean ◽  
The Impact

Introduction: Body mass index BMI is a risk factor that influences semen quality and reduces male fertility. The aim of this study was to determine the impact of body mass index (BMI) on semen parameters in infertile men. Subject and method: A total of 446 infertile men, the study population was divided into four groups depending on their BMI , underweight (<18.5 kg/), normal weight (18.5-24.99 kg/m2 ), overweight 25-29.99 kg/m2), and obese >30.0 kg/.semen parameters (PH, volume, concentration ,total semen count ,vitality, morphology and motility ) were compared across the four BMI groups. Results: The mean of age was 41.91±6.39, the mean infertility duration was 4.92±3.28, 351(78.7٪) had primary infertility and 95(21.3٪) had secondary infertility. The mean BMI was 29.38± 4.85 and the most of patients 45.2٪ were obese. Conclusion: This study has found evidence of an association between BMI and semen parameters (Sperm concentration, Total sperm count, motility, and vitality) and no correlation between Semen volume, morphology and BMI. Keywords: Body mass index, male infertility, semen quality, west of Algeria

scholarly journals Study of hormone levels and semen parameters in infertile patients and fertile controls from Batna

2017 ◽  
Vol 1 (2) ◽  
pp. 39-40
Author(s):  
Nour El Houda Bousnane ◽  
Ali Chennaf ◽  
Mouloud Yahia
Keyword(s):  
Male Infertility ◽  
Sperm Count ◽  
Sperm Concentration ◽  
Public Health Problem ◽  
University Hospital ◽  
Semen Parameters ◽  
Endocrine Disorders ◽  
Major Public Health Problem ◽  
Infertile Men ◽  
The Impact

Background: Male infertility or the inability of a man to procreate is a major public health problem and is a leading cause of marital discord in countries such as Algeria. Endocrine disorders that can be associated with significant medical pathology remain an important factor to be considered in the etiology of male infertility, and those disorders are usually associated with alteration of sperm count or in severe cases with azoospermia. In this study, we are evaluating semen parameters and hormonal levels of patients with idiopathic male infertility and comparing their results with healthy fertile controls. Methods: We aim to study the impact of hormones; follicle stimulating hormone (FSH), luteinizing hormone (LH), testosterone (T) and prolactin (PRL) on idiopathic male fertility and their impact on semen parameters, we conducted a study on 71 male subjects with 39 infertile men and 32 fertile controls from the city of Batna (Algeria). Our study lasted six months and was conducted at the University Hospital of Batna and a private analysis laboratory. Results: The results of semen analysis allowed us to determine that the most common pathology in our population is OANTS with a percentage of 21.05% followed by NS and NT with 13.16%; results of the permocytogramme show a predominance of atypical forms of the head with a frequency of 39.21%. Regarding the hormone dosage, prolactin was the most disturbed hormone with an average value of (18 ± 6.221 ng/ml), which is almost pathologic; the other hormones showed some disturbances but to a lesser degree. The results of spermiologique parameters of infertile men compared with fertile controls showed highly significant differences (P≤O.OOO1) regarding motility, concentration vitality, and spermatozoa morphology. The comparison of results of hormones between the two groups revealed differences in LH and prolactin levels; no differences were found regarding FSH and testosterones. Concerning the relationship between hormones and spermiologiques parameters, positive correlations were found between (LH and sperm concentration) (testosterone and sperm concentration), and, finally, a strong correlation was found between the levels of prolactin and the anomalies of intermediate piece of spermatozoa. Conclusion: This study showed that hormonal disorders are not a common cause of male infertility in our study population. It further showed the relative frequencies of the various semen abnormalities during the study period. Also, we found associations between altered semen parameters and pathological levels of some hormones; however, a complementary study with a more subjects is needed.

scholarly journals Role of Glutathione in Male Infertility

2013 ◽  
Vol 4 (2) ◽  
pp. 20-25
Author(s):  
ZU Naher ◽  
SK Biswas ◽  
FH Mollah ◽  
M Ali ◽  
MI Arslan
Keyword(s):  
Male Infertility ◽  
Seminal Plasma ◽  
Antioxidant Defense ◽  
Sperm Morphology ◽  
Sperm Count ◽  
Antioxidant Systems ◽  
Infertile Male ◽  
Semen Volume ◽  
Infertile Group ◽  
Male Subjects

Infertility is a worldwide problem and in almost 50% of cases infertility results from abnormality of the male partners. Apart from endocrine disorders, definitive cause and mechanism of male infertility is not clear in many cases. Recent evidence indicates that imbalance between pro-oxidant stress and antioxidant defense plays an important role in the pathogenesis of male infertility. Among the endogenous antioxidant systems, reduced glutathione (GSH) plays a significant role in the antioxidant defense of the spermatogenic epithelium, the epididymis and perhaps in the ejaculated spermatozoa. The current study was therefore designed to evaluate any association that may exist between GSH levels and male infertility. Infertile male patients (having female partners with normal fertility parameters; n=31) and age- matched healthy male fertile control subjects (n=30) were included in this study. In addition to medical history, semen analyses including semen volume, sperm count, motility and morphology were done for each subject. As a measure of antioxidant capacity erythrocyte and seminal plasma GSH concentrations were measured by Ellman's method in fertile and infertile male subjects. The infertile subjects were similar to fertile subjects in terms of age. However, semen volume and sperm count was found significantly lower (p<0.001) in infertile males compared with healthy fertile male subjects. Percentage of subjects with abnormal sperm morphology and motility were found higher in infertile group compared with fertile group. The median (range) erythrocyte GSH level did not differ between the two groups (12.62 (0.67-29.82) versus 13.93 (2.10-21.08) mg/gm Hb). However, the seminal plasma GSH level was found markedly suppressed in infertile group (1.64 (0.23-7.50)) compared with fertile group (4.26 (2.32-7.50)) mg/dl (p<0.001). In the present study seminal plasma GSH level was found markedly suppressed along with abnormal values for semen volume, sperm concentration and sperm morphology and motility in infertile subjects compared with fertile subjects. This finding indicates that low level of seminal plasma GSH level may be associated with male infertility. DOI: http://dx.doi.org/10.3329/bjmb.v4i2.13772 Bangladesh J Med Biochem 2011; 4(2): 20-25

scholarly journals Is there a place for nutritional supplements in the treatment of idiopathic male infertility?

2014 ◽  
Vol 86 (3) ◽  
pp. 164 ◽  
Author(s):  
Davide Arcaniolo ◽  
Vincenzo Favilla ◽  
Daniele Tiscione ◽  
Francesca Pisano ◽  
Giorgio Bozzini ◽  
...  
Keyword(s):  
Male Infertility ◽  
Sperm Count ◽  
Nutritional Supplements ◽  
Semen Parameters ◽  
Male Factor ◽  
Treatment Regimens ◽  
Idiopathic Male Infertility ◽  
Infertile Men ◽  
Wide Variability

Objective: Infertility affects 15% of couples in fertile age. Male factor is a cause of infertility in almost half of cases, mainly due to oligoasthenoteratozoospermia (OAT). The purpose of this study is to review the effects of nutritional supplements as medical treatment for idiopathic male infertility. Material and methods: A Pub Med and Medline review of the published studies utilizing nutritional supplements for the treatment of male infertility has been performed. Results: Clinical trials on Vitamin E, Vitamin A, Vitamin C. Arginine, Carnitine, N-Acetyl-Carnitine, Glutathione, Coenzyme Q10, Selenium and Zinc were reviewed. Although there is a wide variability in selected population, dose regimen and final outcomes, nutritional supplements both alone and in combination seems to be able to improve semen parameters (sperm count, sperm motility and morphology) and pregnancy rate in infertile men. Conclusions: There are rising evidences from published randomized trials and systematic review suggesting that nutritional supplementation may improve semen parameters and the likelihood of pregnancy in men affected by OAT. This improvement, however, is not consistent and there is a wide variation in the treatment regimens used. Well designed and adequately powered RCTs are needed to better clarify the role of nutritional supplements as treatment for male infertility.

scholarly journals Semen quality and diversity of morphological sperm abnormalities in bulls: breed and strain effects

2019 ◽  
Vol 22 (8) ◽  
pp. 931-938
Author(s):  
M. A. Kleshchev ◽  
V. L. Petukhov ◽  
L. V. Osadchuk
Keyword(s):  
Sperm Motility ◽  
Environmental Conditions ◽  
Western Siberia ◽  
Semen Quality ◽  
Sperm Count ◽  
Sperm Concentration ◽  
Sperm Head ◽  
Sperm Dna Fragmentation ◽  
Sperm Production ◽  
Sperm Abnormalities

At present great attention is paid to studying genetic regulation of farm animal adaptations to environmental conditions. This problem is very important due to a wide expansion of highly productive cattle breeds created in Europe and North America. However, until the present no investigation of changing semen quality in bulls of imported breeds during their adaptations to environmental conditions of Western Siberia has been conducted. The aim of this study was to investigate semen quality peculiarities and the diversity of morphological sperm abnormalities in bulls of imported and local breeds kept in the environmental conditions of the southern part of Western Siberia. We determined sperm concentration, sperm count, and rate of sperm with progressive motility and percentage of morphologically normal spermatozoa. The rate of sperm abnormalities according to Blome’s classifcation was determined too. It was found that the mean values of sperm concentration, sperm motility and percentage of morphologically normal spermatozoa in the bulls investigated were similar to those in bulls kept in European countries. Inter­breed differences in these parameters were not found. However, bulls of the Red Danish, Angler, and Simmental breeds had a higher percentage of misshapen sperm head and pyriform sperm head than bulls of the Black­White breed. An inter­strain difference in sperm motility in bulls of the Black­White breed was observed. It was found that bulls of Reflection Sovereign 198998 strain had lover sperm motility than bulls of Wis Burke Ideal 1013415 strain. No inter­strain differences in sperm production, percentage of morphologically normal spermatozoa and rate of main sperm abnormalities were found. Thus, it has been found that the environmental conditions of the southern part of Western Siberia do not seriously affect the sperm production, sperm motility or percentage of morphologically normal spermatozoa in bulls. However, the increased rate of misshapen and pyriform sperm heads in the bulls of the foreign breeds points to a need to study sperm DNA fragmentation.

Spermatotoxic effects of carbaryl in rats

1996 ◽  
Vol 15 (9) ◽  
pp. 736-738 ◽  
Author(s):  
N. Pant ◽  
R. Shankar ◽  
SP Srivastava
Keyword(s):  
Sperm Motility ◽  
Sperm Count ◽  
Young Male ◽  
Male Rats ◽  
Epididymal Sperm ◽  
Abnormal Morphology ◽  
Age Dependent ◽  
Effect Level

The spermatotoxic effect of carbaryl in adult and young male rats has been examined. Carbaryl 50 and 100 mg/kg b.wt. Male fed 5 d/week for 60 days, caused dose and age- dependent decline in epididymal sperm count and sperm motility, an increase in sperm with abnormal morphology. The dose of 25 mg/kg/d was a 'No observed effect level' for the indices studied. Young animals in comparison to adults exhibited pronounced spermatotoxic effects.

P–050 The effectiveness of the platelet-rich plasma treatment of men with severe oligoasthenoteratozoospermia

2021 ◽  
Vol 36 (Supplement_1) ◽  
Author(s):  
O Somova ◽  
H Ivanova ◽  
N Sotnyk ◽  
K Kovalenko ◽  
I Feskova
Keyword(s):  
Male Infertility ◽  
Sperm Motility ◽  
Testosterone Level ◽  
Assisted Reproductive Technologies ◽  
Platelet Rich Plasma ◽  
Sperm Concentration ◽  
Free Testosterone ◽  
Reproductive Technologies ◽  
Positive Effects ◽  
Free Testosterone Level

Abstract Study question To evaluate the effect of platelet-rich plasma (PRP) testicular injections on spermogram parameters of men with severe oligoasthenoteratozoospermia (OAT). Summary answer The PRP testicular injections have beneficial effects on spermatogenesis and enhance sperm concentration and motility in infertile men with OAT. What is known already The use of PRP therapy in assisted reproductive technologies is debatable. Despite the recent evidence of its positive effects in promoting endometrial and follicular growth, data from clinical studies are limited. There are only a few papers on the effectiveness of PRP therapy in the treatment of male infertility and sexual dysfunction. In more detail, the influence of PRP on spermatogenesis was carried out only on experimental animals. Although the mechanisms of its action have not yet been clarified, it is assumed that PRP, containing many biologically active molecules, realizes its effect through the tissue regeneration and cell proliferation. Study design, size, duration This prospective study included 68 men (34.6±5.2) years old with severe OAT (≤4 million/ml, motility ≤30%, normal sperm morphology ≤1%) receiving hormonal and antioxidant (AO) therapy during 6 months before in vitro fertilization cycles. 33 of them were injected once with autologous PRP (0.5 ml in each testicle). Spermogram and testosterone level were analyzed before the treatment and in 3, 4 and 6 months after it. Participants/materials, setting, methods: Sperm concentration, motility and morphology in ejaculate of 33 men of PRP group were compared with those in the group of 35 men without PRP within 6 months of starting the treatment. Total and free testosterone level were measured in blood serum. PRP was prepared by centrifuging the patient’s own blood in the anticoagulant-containing tubes. The final concentration of platelets in the obtained sample was 950.000 – 1.250 000 cells in 1 ml. Main results and the role of chance 4 months after the PRP injection, sperm concentration and motility increased in 18 of 33 men of the PRP group compared with the baseline (before the treatment) – 4.2 (1.0; 6.9) vs 1.4 (0.1; 3.4) mln/ml (p &lt; 0.05) and 36.7 (30.6; 45.8) vs 17.7 (6.7; 28.2)% respectively (p &lt; 0.05).The maximum increase in sperm motility (but not in sperm concentration!) was observed in 24 men in 6 months – 49.6 (39.6; 56.4)% (p &lt; 0.05). Percent of morphologically normal spermatozoa in ejaculate slightly increased only in 12 men in that time period from 0–1% to 1–2%. The total testosterone level was 2.4 times higher than the baseline (31.6±7.2 vs 13.2±4.3 nmol/l, p &lt; 0.05), the free testosterone level was 1.8 times higher (14.5±3.5 vs 7.9±3.0 pgl/ml, p &lt; 0.05). Unlike the PRP group, in the group of men without PRP treatment, the sperm parameters did not changed compared with the baseline in 4 months after the starting hormonal and AO treatment. A significant increase of sperin concentration was observed only in 17 of 35 patients in 6 months. Sperm motility and percent of morphologically normal spermatozoa after the treatment did not differ from the baseline. Changes in the testosterone levels were similar to changes in PRP group. Limitations, reasons for caution Only young and middle-aged men were considered in the study. Large randomized controlled studies are required to confirm the PRP therapy efficacy and safety of f various fertility disorders. There are also no standardized protocols for PRP preparation. Wider implications of the findings: PRP therapy may have great potential for the treatment of male infertility and improving spermatogenesis. Optimization of methods of PRP preparation and dosage of testicular injections can enhance reproductive outcomes in assisted reproductive technologies. Trial registration number Not applicable

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