Objective: During the COVID-19 era, semen collection at infertility centers might increase the risk of spreading SARS-CoV-2. Seminal fluid collection at home is an alternative method for preventing this spread. However, there is no conclusion about the effect of home vs clinic semen collection on semen parameters and assisted reproductive technology outcomes. This systematic review and metaanalysis aimed to assess the effect of semen collection location on semen parameters and fertility outcomes.
Data Sources: A literature search was conducted using the major electronic databases including MEDLINE via Ovid, EMBASE, Scopus, CINAHL, OpenGrey, and CENTRAL from their inception to September 2021.
Clinicaltrials: gov was searched to identify the ongoing registered clinical trials.
Study Eligibility Criteria: We included all human randomized controlled trials and observational studies that investigated the effect of at-home semen collection vs in-clinic semen collection on semen parameters and fertility outcomes.
Methods: We pooled the mean difference and risk ratio using Review Manager software version 5.4.1 (The Cochrane Collaboration, 2022). The Grading of Recommendations, Assessment, Development and Evaluations approach was applied to assess the quality of evidence.
Results: Seven studies (3018 semen samples) were included. Overall, at-home semen collection results made little to no difference in semen volume (mean difference, 0.37; 95% confidence interval, -0.10 to 0.85; low-quality evidence), sperm count (mean difference, -6.02; 95% confidence interval, -27.26 to 15.22; very low-quality evidence), and sperm motility (mean difference, 0.76; 95% confidence interval, -4.39 to 5.92; very low-quality evidence) compared with in-clinic semen collection. There was no difference in fertilization rate (risk ratio, 1.00; 95% confidence interval, 0.97-1.03; very low-quality evidence) and pregnancy rate in in vitro fertilization (risk ratio, 1.04; 95% confidence interval, 0.86-1.25; very low-quality evidence).
Conclusion: At-home semen collection had no adverse effects on semen parameters or fertility outcomes compared with in-clinic collection. However, higher-quality evidence is needed.
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http://dx.doi.org/10.1016/j.ajog.2022.09.009 | DOI Listing |
Alzheimers Dement
December 2024
International University Semen Indonesia, Gresik, East Java, Indonesia.
Background: Recent evidence suggests a potential link between systemic inflammation induced by viral infections like COVID-19 and the exacerbation of neurodegenerative processes in Alzheimer's disease (AD). This study aims to explore the novel idea that COVID-19 vaccines may offer neuroprotective effects against the progression of AD, leveraging machine learning techniques to analyze multimodal data sets.
Method: We conducted a retrospective cohort study involving 10,000 participants aged 65 and older, with an initial diagnosis of early-stage AD, from five distinct geographic locations.
F S Rep
December 2024
Quest Diagnostics, Secaucus, New Jersey.
Objective: To validate a mail-in delayed semen analysis service using deidentified remnant samples from a US fertility clinic.
Design: Double-blinded prospective validation of screening/diagnostic test.
Setting: Fertility clinic and clinical reference laboratory.
Arab J Urol
September 2024
Department of Urology, Hamad Medical Corporation, Doha, Qatar.
Objective: To evaluate the effects of age on semen and hormonal parameters following microsurgical varicocelectomy among patients with grade 3 varicocele, and to compare fertility outcomes between younger (<40 years) and older (≥40 years) men.
Methods: Retrospective cohort study of infertile patients with clinical left grade 3 varicocele who underwent microsurgical subinguinal varicocelectomy (MV). Patients meeting the inclusion criteria ( = 550) were divided into two groups based on their age at the time of MV: <40 ( = 441) and ≥40 years ( = 109).
J Clin Med
December 2024
Department of Biostatistics and Medical Informatics, Medical University of Bialystok, 15-295 Bialystok, Poland.
Male infertility is a significant global health issue, comprising approx. 50% of all infertility cases. Semen cryopreservation, a critical component of assisted reproductive technologies (ARTs), is a method commonly used in a wide range of situations, including gonadotoxic treatments such as radiation or chemotherapy, hazardous occupational exposures, and various medical conditions.
View Article and Find Full Text PDFAnimals (Basel)
December 2024
College of Animal Science, Xinjiang Agricultural University, Urumqi 830091, China.
Background: Seminal plasma is an important component of semen and has a significant effect on sperm function. However, the relationship between seminal plasma and sperm freezing capacity has not been fully studied.
Purpose: Exploring metabolites and proteins related to the boar sperm freezing capacity in seminal plasma, by metabolomic and proteomic approaches, and directly verifying the protective effect of seminal plasma on the cryopreservation of boar sperm using high and low freezability seminal plasma as base freezing extender.
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