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and Monitoring Board provided oversight. OBJECTIVE To determine whether overt/subclinical hypothyroidism and/or thyroid autoimmunity is associated with recurrent pregnancy loss (RPL) and whether treatment improves outcomes. DESIGN Systematic review and meta-analysis. SETTING University obstetrics and gynecology departments. PATIENT(S) Women with RPL and overt/subclinical hypothyroidism, and/or thyroid autoimmunity. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) Associations between RPL and overt/subclinical hypothyroidism and/or thyroid autoimmunity and any effects of treatment. RESULT(S) After our review of articles from PubMed, EMBASE, Web of Science, and CENTRAL, we found two interventional studies in which levothyroxine did not improve the subsequent live-birth rate in women with subclinical hypothyroidism with or without thyroid antibodies. A meta-analysis of five studies revealed the prevalence of subclinical hypothyroidism in RPL to be 12.9% (95% confidence interval [CI], 0%-35.2%). A meta-analysis of 17 studies revealed a statistically significant association between RPL and thyroid autoimmunity (odds ratio 1.94; 95% CI, 1.43-2.64). However, a randomized study suggested that levothyroxine does not benefit euthyroid women with thyroid autoimmunity. CONCLUSION(S) Based on the limited observational studies available, no association exists between RPL and subclinical hypothyroidism, nor does levothyroxine improve subsequent pregnancy outcomes. An association exists between RPL and thyroid autoimmunity, but levothyroxine does not improve subsequent pregnancy outcomes. Women with RPL should be screened/treated for overt thyroid disease but not thyroid autoimmunity. Thyroid antibody screening is not supported by the published studies, and further randomized studies are needed. No recommendation regarding the treatment of subclinical hypothyroidism can be made at this time; prospective and randomized studies are urgently needed. Globally, male factor infertility accounts for 20%-70% of couples struggling to conceive. Certain male pediatric developmental conditions, such as cryptorchidism, hypospadias, testicular and other childhood cancers, infections, and pediatric varicocele have been associated with future infertility. Early fertility preservation, especially in those with pending chemotherapy or genetic conditions such as Klinefelter syndrome, should be strongly considered in patients expected to experience testicular loss. Although optimal treatment timing may be unknown owing to a paucity of long-term prospective studies, early diagnosis and targeted treatment may optimize fertility potential in adulthood. The field of reproductive medicine is rapidly evolving, and important advances have the potential to profoundly impact the way we care for our patients. Emerging developments, including the application of big data analytics and informatics, the notion of reciprocal diagnosis, insights into applied genetics, and stem cell biological and transplantation experimental advances all have the potential to markedly change our therapeutic approach to patients. This month's "Views and Reviews" collection provides an informative glimpse at these emerging technologies, which promise to substantially impact our field and the way we provide care for our patients. BACKGROUND Treatment of multidrug-resistant tuberculosis requires long-term therapy with a combination of multiple second-line drugs. These drugs are associated with numerous adverse events that can cause severe morbidity, such as deafness, and in some instances can lead to death. Our aim was to estimate the absolute and relative frequency of adverse events associated with different tuberculosis drugs to provide useful information for clinicians and tuberculosis programmes in selecting optimal treatment regimens. METHODS We did a meta-analysis using individual-level patient data that were obtained from studies that reported adverse events that resulted in permanent discontinuation of anti-tuberculosis medications. We used a database created for our previous meta-analysis of multidrug-resistant tuberculosis treatment and outcomes, for which we did a systematic review of literature published between Jan 1, 2009, and Aug 31, 2015 (updated April 15, 2016), and requested individual patient-level information from alished by Elsevier Ltd.. All rights reserved.BACKGROUND Three clusters of coronavirus disease 2019 (COVID-19) linked to a tour group from China, a company conference, and a church were identified in Singapore in February, 2020. METHODS We gathered epidemiological and clinical data from individuals with confirmed COVID-19, via interviews and inpatient medical records, and we did field investigations to assess interactions and possible modes of transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Open source reports were obtained for overseas cases. We reported the median (IQR) incubation period of SARS-CoV-2. FINDINGS As of Feb 15, 2020, 36 cases of COVID-19 were linked epidemiologically to the first three clusters of circumscribed local transmission in Singapore. 425 close contacts were quarantined. Direct or prolonged close contact was reported among affected individuals, although indirect transmission (eg, via fomites and shared food) could not be excluded. The median incubation period of SARS-CoV-2 was 4 days (IQR 3-6). The serial interval between transmission pairs ranged between 3 days and 8 days. INTERPRETATION SARS-CoV-2 is transmissible in community settings, and local clusters of COVID-19 are expected in countries with high travel volume from China before the lockdown of Wuhan and institution of travel restrictions. Enhanced surveillance and contact tracing is essential to minimise the risk of widespread transmission in the community. FUNDING None. BACKGROUND Transgender (trans) people experience profound mental health disparities compared with the general population, attributable in part to the psychological effects of gender non-affirmation. Despite the barriers to legal gender affirmation for trans people, little is known about its association with mental health. We therefore sought to determine whether having gender-concordant identity documents (IDs) is associated with mental health among trans adults in the USA. We hypothesised that having an ID that reflects one's preferred name and gender marker would be associated with reduced psychological distress and suicide risk. METHODS In this cross-sectional observational study, we obtained data from the 2015 US Transgender Survey, the largest cross-sectional survey of trans adults in the USA, with 27 715 participants. Eligible participants were adults (≥18 years), residing in a US state, territory, or overseas US military base; and considered themselves transgender, trans, genderqueer, non-binary, or si (0·78, 0·72-0·85), and suicide planning (0·75, 0·64-0·87), adjusting for potential confounders. Having some versus no concordant ID was generally associated with smaller reductions in distress and suicidality. Gender-concordant ID was not associated with suicide attempts (eg, adjusted prevalence ratio for all vs no IDs was 0·92, 95% CI 0·68-1·24). INTERPRETATION Possession of gender-concordant IDs might improve mental health among trans persons. Gender recognition policies should be considered structural determinants of transgender health. FUNDING None. BACKGROUND Immune checkpoint inhibitors targeting PD-1 have shown clinical benefit in adults with cancer, but data on these drugs in children are scarce. We did a phase 1-2 study of nivolumab, a PD-1 blocking monoclonal antibody, to determine its safety, pharmacokinetics, and antitumour activity in children and young adults with recurrent or refractory non-CNS solid tumours or lymphoma. METHODS We did a multicentre, open-label, single-arm, dose-confirmation and dose-expansion, phase 1-2 trial in 23 hospitals in the USA. Eligible patients for part A (dose-confirmation phase) of the study were aged 1-18 years with solid tumours with measurable or evaluable disease (by Response Evaluation Criteria in Solid Tumors [RECIST] version 1.1) regardless of histology. Eligible patients for part B (dose-expansion phase) were aged 1-30 years with measurable disease (by RECIST criteria) in the following disease cohorts rhabdomyosarcoma, Ewing sarcoma, osteosarcoma, neuroblastoma, Hodgkin lymphoma, non-Hodgkin lymphoma, and Children's Oncology Group, National Institutes of Health, Cookies for Kids Cancer Foundation. This paper describes the integration of a pharmacist into a perioperative environment and the ensuing quality and economic benefits. Deficiencies were identified in medication management in operating theatres (OT) at a large tertiary hospital. A perioperative pharmacist was employed for a 6-month pilot period, with permanent funding dependent on demonstration of agreed economic benefits. A multidisciplinary committee set goals, drove strategic initiatives and was accountable for delivery of outcomes. Pharmaceutical expenditure was analysed and high expenditure items targeted. Cost savings and staff satisfaction were measured at 6 months. BAY 43-9006 Savings of A$63884 were achieved during the pilot period, resulting from optimised pharmaceutical unit pricing, OT medication stock on hand (imprest) review and redesigned medication management strategies. Improvements in medication management included better access to medications in the OT, rationalising available products to minimise wastage and implementation of guidelinesoners?Hospitals and practitioners are faced with the challenge of improving service delivery within the constraints of a finite budget. This paper allows readers to learn from our experience and apply these learnings to their local hospital setting, ultimately improving both patient care and staff satisfaction through the development of a perioperative pharmacist service.This case study describes the development, implementation and review of a sustainable and culturally sensitive procedure for a hospital-funded discharge medicine subsidy for Aboriginal and Torres Strait Islander patients registered with the Closing the Gap (CTG) program discharging from a public hospital. A 7-day fully subsidised medication supply was approved to be offered to Aboriginal and Torres Strait Islander patients admitted under cardiac care teams, including cardiology and cardiothoracic surgery patients. Patients were offered the option of a 7-day supply free of cost to them or a full Pharmaceutical Benefits Scheme (PBS) supply if preferred. A general practitioner (GP) appointment was organised within 7 days of discharge to ensure patients received ongoing supply of their medications as well as timely clinical review after discharge. Over a 34-month period from September 2015 to June 2018, 535 Aboriginal and Torres Strait Islander patients were admitted to the hospital under cardiac care teams. Of these patients, 296 received a subsidised discharge medication supply with a total cost of A$6314.56 to the hospital over the trial period, with a mean cost of A$21.26 per discharge. The provision of subsidised medications through the CTG program has improved the continuity of care for Aboriginal and Torres Strait Islander patients. The culturally sensitive approach is well received and has allowed smooth transition back to the community. This site-specific and state-based funding model was found to be financially sustainable at a public hospital.