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https://www.readbyqxmd.com/read/28334217/testosterone-effects-on-the-brain-in-transgender-men
#1
Sarah M Burke, Amir H Manzouri, Cecilia Dhejne, Karin Bergström, Stefan Arver, Jamie D Feusner, Ivanka Savic-Berglund
Transgender individuals experience incongruence between their gender identity and birth-assigned sex. The resulting gender dysphoria (GD), which some gender-incongruent individuals experience, is theorized to be a consequence of atypical cerebral sexual differentiation, but support for this assertion is inconsistent. We recently found that GD is associated with disconnected networks involved in self-referential thinking and own body perception. Here, we investigate how these networks in trans men (assigned female at birth with male gender identity) are affected by testosterone...
March 10, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28333963/why-don-t-urban-youth-in-zambia-use-condoms-the-influence-of-gender-and-marriage-on-non-use-of-male-condoms-among-young-adults
#2
Jessie Pinchoff, Christopher B Boyer, Namuunda Mutombo, Rachna Nag Chowdhuri, Thoai D Ngo
BACKGROUND: Zambia experiences high unmet need for family planning and high rates of HIV, particularly among youth. While male condoms are widely available and 95% of adults have heard of them, self-reported use in the past 12 months is low among young adults (45%). This study describes factors associated with non-use of male condoms among urban young adults in Zambia. METHODS: A household cross-sectional survey in four urban districts was conducted from November 2015 to January 2016 among sexually active young adults ages 18-24 years...
2017: PloS One
https://www.readbyqxmd.com/read/28333937/variability-in-age-and-size-at-maturation-reproductive-longevity-and-long-term-growth-dynamics-for-kemp-s-ridley-sea-turtles-in-the-gulf-of-mexico
#3
Larisa Avens, Lisa R Goshe, Lewis Coggins, Donna J Shaver, Ben Higgins, Andre M Landry, Rhonda Bailey
Effective management of protected sea turtle populations requires knowledge not only of mean values for demographic and life-history parameters, but also temporal and spatial trends, variability, and underlying causes. For endangered Kemp's ridley sea turtles (Lepidochelys kempii), the need for baseline information of this type has been emphasized during attempts to understand causes underlying the recent truncation in the recovery trajectory for nesting females. To provide insight into variability in age and size at sexual maturation (ASM and SSM) and long-term growth patterns likely to influence population trends, we conducted skeletochronological analysis of humerus bones from 333 Kemp's ridleys stranded throughout the Gulf of Mexico (GOM) from 1993 to 2010...
2017: PloS One
https://www.readbyqxmd.com/read/28333906/-phonosurgery-treatment-options-in-male-to-female-and-female-to-male-transsexuals
#4
Bożena Kosztyła-Hojna, Greta Berger, Vitaly Gryniewicz, Eugeniusz Tarasów
The voice is an important part of human identity. The voice is susceptible to impact of hormons mainly sexual hormons. The larynx is one of secondary sex characacteristics. Disorders of voice pose serious obstacle to full social integration in male to female and female to male transsexuals. The causes of transsexuality are still a matter of considerable debate. Now it is considered that, big nucleus suprachiasmaticus in the hypothalamus may be a cause of transsexuality. The aim of phonosurgery in transsexual patients is to gain acceptable voice by the patients...
March 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28333902/proteflazid%C3%A2-and-local-immunity-in-diseases-caused-by-human-papillomavirus-herpesvirus-and-mixed-urogenital-infections
#5
Vjacheslav Kaminsky, Viktor Chernyshov, Oleksandr Grynevych, Vasil Benyuk, Alla Kornatskaya, Miroslava Shalko, Igor Usevich, Oleg Revenko, Maxim Shepetko, Ludmila Solomakha
Reporting of clinical trials results for Proteflazid® in the drug formulation suppositories and vaginal swabs soaked in the solution of the drug to the local immunity of the female reproductive tract. AIM: The aim of study was to examine the state of local immunity in the reproductive tract of women with sexually transmitted diseases caused by human papillomavirus, herpes viruses (Type 1, 2) and mixed infection (herpes viruses + chlamydia). MATERIALS AND METHODS: The trials involved 216 women with viral sexually transmitted diseases: Cervical Dysplasia associated with papillomavirus infection (HPV) (Group 1); Herpes genitalis type 1 (HSV- 1) and type 2 (HSV-1) (Group 2); mixed infection - HSV-1, HSV-2 and chlamydia (Group 3)...
March 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28331807/transmission-of-hepatitis-d-virus-between-spouses-a-longitudinal-study-of-the-first-reported-canadian-case
#6
Carla Osiowy, Anton Andonov, Kevin Fonseca, Ken Swidinsky, Elizabeth Giles, Andrew Mason, Carla S Coffin
In chronic hepatitis B (CHB), hepatitis D virus (HDV) superinfection can lead to acute liver failure. The incidence of HDV superinfection is unknown, but is often detected in immigrants from HDV endemic countries. In this report, we characterize long-term clinical and virological outcomes in a hepatitis B virus (HBV) infected carrier before and after HDV superinfection, acquired from their spouse having HBV/HDV co-infection. A 38 year-old Mongolian male with CHB on anti-HBV therapy developed acute liver failure following HDV superinfection...
2017: IDCases
https://www.readbyqxmd.com/read/28331644/term-abdominal-pregnancy-revealed-by-amnioperitoneum-in-rural-area
#7
Henri Donald Mutarambirwa, Bruno Kenfack, Jovanny Tsuala Fouogue
Abdominal pregnancy (AP) accounts for 1% of ectopic implantations. In sub-Saharan Africa, the high prevalence of sexually transmitted infections explains the increasing frequency of this pathology. In Cameroon it rose from 1/10000 deliveries (1995) to 3.3/10000 (2015). Authors herein report a case of a viable abdominal pregnancy discovered at term during emergency laparotomy for suspected uterine rupture. The 24-year-old G2P0 patient was HIV-positive, under antiretrovirals, though AP exceptionally occurs in HIV patients...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28331632/group-housed-females-promote-production-of-asexual-ootheca-in-american-cockroaches
#8
Ko Katoh, Masazumi Iwasaki, Shouhei Hosono, Atsushi Yoritsune, Masanori Ochiai, Makoto Mizunami, Hiroshi Nishino
BACKGROUND: Facultative parthenogenesis, seen in many animal phyla, is a reproductive strategy in which females are able to generate offspring when mating partners are unavailable. In some subsocial and eusocial insects, parthenogenesis is often more prevalent than sexual reproduction. However, little is known about how social cooperation is linked to the promotion of parthenogenesis. The domiciliary cockroach Periplaneta americana is well-suited to addressing this issue as this species belongs to the superfamily Blattoidea, which diverged into eusocial termites and shows facultative parthenogenesis...
2017: Zoological Letters
https://www.readbyqxmd.com/read/28331580/environmental-enrichment-sexual-dimorphism-and-brain-size-in-sticklebacks
#9
Elisavet A Toli, Kristina Noreikiene, Jacquelin DeFaveri, Juha Merilä
Evidence for phenotypic plasticity in brain size and the size of different brain parts is widespread, but experimental investigations into this effect remain scarce and are usually conducted using individuals from a single population. As the costs and benefits of plasticity may differ among populations, the extent of brain plasticity may also differ from one population to another. In a common garden experiment conducted with three-spined sticklebacks (Gasterosteus aculeatus) originating from four different populations, we investigated whether environmental enrichment (aquaria provided with structural complexity) caused an increase in the brain size or size of different brain parts compared to controls (bare aquaria)...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28330969/influence-of-the-coronary-circulation-on-thermal-tolerance-and-cardiac-performance-during-warming-in-rainbow-trout
#10
Andreas Ekström, Michael Axelsson, Albin Gräns, Jeroen Brijs, Erik Sandblom
Thermal tolerance in fish may be related to an oxygen limitation of cardiac function. While the hearts of some fish species receive oxygenated blood via a coronary circulation, the influence of this oxygen supply on thermal tolerance and cardiac performance during warming remain unexplored. Here, we analyzed the effect in vivo of acute warming on coronary blood flow in adult sexually mature rainbow trout (Onchorhynchus mykiss), and the consequences of chronic coronary ligation on cardiac function and thermal tolerance in juvenile trout...
February 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28330675/what-does-electromyography-tell-us-about-dyspareunia
#11
REVIEW
Linda McLean, Kaylee Brooks
INTRODUCTION: Emergent evidence suggests that pelvic floor muscle (PFM) dysfunction contributes to dyspareunia, the experience of pain on vaginal penetration. Electromyography (EMG) is a valuable tool for the assessment of neuromuscular control and could be very useful in enhancing our understanding of PFM involvement in sexual function and in conditions such as dyspareunia. However, PFM EMG must be interpreted within the context of the many factors that can influence findings. AIM: To outline the main factors to consider when evaluating PFM EMG for female sexual function and dyspareunia and to synthesize the literature in which EMG has been acquired and interpreted appropriately in this context...
March 18, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28330571/use-of-3d-orbital-reconstruction-in-the-assessment-of-orbital-sexual-dimorphism-and-its-pathological-consequences
#12
N Graillon, C Boulze, P Adalian, A Loundou, L Guyot
INTRODUCTION: Surrounded by a variety of structures including the facial sinuses and the brain, the human orbit displays unique anatomical features. It is known that orbital volume correlates with age and sex. The aim of this study was to evaluate sexual dimorphism of orbital volume relative to the size of the skull, and to establish criteria for gender determination. METHODS: Orbital volume was measured from 3D models of the orbits. The volumes were expressed in relation to the centroid size of the skull, to ensure that any sexual dimorphism in orbital volume was not simply due to a difference in skull size...
February 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28330465/the-impact-of-non-response-bias-due-to-sampling-in-public-health-studies-a-comparison-of-voluntary-versus-mandatory-recruitment-in-a-dutch-national-survey-on-adolescent-health
#13
Kei Long Cheung, Peter M Ten Klooster, Cees Smit, Hein de Vries, Marcel E Pieterse
BACKGROUND: In public health monitoring of young people it is critical to understand the effects of selective non-response, in particular when a controversial topic is involved like substance abuse or sexual behaviour. Research that is dependent upon voluntary subject participation is particularly vulnerable to sampling bias. As respondents whose participation is hardest to elicit on a voluntary basis are also more likely to report risk behaviour, this potentially leads to underestimation of risk factor prevalence...
March 23, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28329934/-hiv-infection-and-associated-factors-in-hiv-antibody-positive-clients-of-female-sex-workers-recently-reported-in-shaanxi-province
#14
T Hu, W H Chang, M Y Zhang
Objective: To investigate the current status of HIV infection and the related factors in HIV antibody positive clients of female sex workers (FSWs) recently reported in Shaanxi province. Methods: The HIV/AIDS cases newly diagnosed in males living in Shaanxi from January 1th of 2013 to June 30th of 2014 were selected and those infected through " commercial heterosexual behavior" were identified. The information about their demographic characteristics, previous unprotected heterosexual sex and the sample sources were collected, and serum or plasma samples were collected from them and tested with BED-CEIA...
March 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28329626/associations-between-indoor-tanning-and-risky-health-related-behaviors-among-high-school-students-in-the-united-states
#15
Stephanie Chapman, Kurt Ashack, Eric Bell, Myra Ann Sendelweck, Robert Dellavalle
Understanding of the associations between indoor tanning and risky health related behaviors such as sexual activity and substance abuse among adolescents across the United States is incomplete. The purpose of this study is to identify risky health related behaviors among high school students utilizing indoor tanning according to region. We analyzed the results from surveys of adolescents in 14 different states administered as part of the Youth Risk Behavior Surveillance System (YRBSS) 2013. Data were collected and analyzed over a 4-month period from January 2016 to April 2016...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329004/gnrh-mediated-olfactory-and-visual-inputs-promote-mating-like-behaviors-in-male-zebrafish
#16
Lei Li, Jennifer L Wojtowicz, John H Malin, Tao Huang, Eric B Lee, Zijiang Chen
The engagement of sexual behaviors is regulated by a number of factors which include gene expression, hormone circulation, and multi-sensory information integration. In zebrafish, when a male and a female are placed in the same container, they show mating-like behaviors regardless of whether they are kept together or separated by a net. No mating-like behaviors are observed when same-sex animals are put together. Through the olfacto-visual centrifugal pathway, activation of the terminalis nerve in the olfactory bulb increases GnRH signaling in the brain and triggers mating-like behaviors between males...
2017: PloS One
https://www.readbyqxmd.com/read/28327799/prevalence-and-factors-associated-with-syphilis-in-a-reference-center
#17
Natália Carolina Rodrigues Colombo Gomes, Denise Andrade Pereira Meier, Flávia Meneguetti Pieri, Elaine Alves, Silvia Paulino Ribeiro Albanese, Edvilson Cristiano Lentine, Ricardo Alexandre Arcêncio, Elma Mathias Dessunti
INTRODUCTION: The implementation of the rapid test (RT) for syphilis increases access of vulnerable populations to early diagnosis and treatment, impacting the outcomes of infection. We aimed to assess the prevalence of and factors associated with syphilis in a Center for Testing and Counseling (CTC). METHODS: We conducted a cross-sectional study at a Reference Center for sexually transmitted disease (STD) and acquired immune deficiency syndrome in Londrina, Northern Paraná State, Southern Brazil...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28327096/exploring-why-a-complex-intervention-piloted-in-general-practices-did-not-result-in-an-increase-in-chlamydia-screening-and-diagnosis-a-qualitative-evaluation-using-the-fidelity-of-implementation-model
#18
R Allison, D M Lecky, K Town, C Rugman, E J Ricketts, N Ockendon-Powell, K A Folkard, J K Dunbar, C A M McNulty
BACKGROUND: Chlamydia trachomatis (chlamydia) is the most commonly diagnosed sexually transmitted infection (STI) in England; approximately 70% of diagnoses are in sexually active young adults aged under 25. To facilitate opportunistic chlamydia screening in general practice, a complex intervention, based on a previously successful Chlamydia Intervention Randomised Trial (CIRT), was piloted in England. The modified intervention (3Cs and HIV) aimed to encourage general practice staff to routinely offer chlamydia testing to all 15-24 year olds regardless of the type of consultation...
March 21, 2017: BMC Family Practice
https://www.readbyqxmd.com/read/28326570/reproductive-disorders-in-female-rats-after-prenatal-exposure-to-betamethasone
#19
Cibele S Borges, Tainá L Pacheco, Marina T Guerra, Aline L Barros, Patricia V Silva, Gabriela Missassi, Katiussia Pinho da Silva, Janete A Anselmo-Franci, André S Pupo, Wilma De G Kempinas
Betamethasone is the drug of choice for antenatal treatment, promoting fetal lung maturation and decreasing mortality. Previous studies in rats reported male programming and alteration in sperm parameters and sexual behavior following intrauterine betamethasone exposure. The impact on the female reproductive development is not known. In this study, rat female offspring was assessed for sexual development, morphophysiology of the reproductive tract and fertility after maternal exposure to 0.1 mg kg(-1) of betamethasone or vehicle on gestational days 12, 13, 18 and 19...
March 21, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28326097/different-proteome-profiles-between-male-and-female-populus-cathayana-exposed-to-uv-b-radiation
#20
Yunxiang Zhang, Lihua Feng, Hao Jiang, Yuanbin Zhang, Sheng Zhang
With increasing altitude, solar UV-B radiation is enhanced. Based on the phenomenon of male-biased sex ratio of Populus cathayana Rehder in high altitude alpine area, we hypothesized that males have a faster and more sophisticated responsive mechanism to high UV-B radiation than that of females. Our previous studies have shown sexually different responses to high UV-B radiation were existed in P. cathayana at the morphological, physiological, and transcriptomic levels. However, the responses at the proteomic level remain unclear...
2017: Frontiers in Plant Science
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