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STUDY QUESTION Is asthma more common in children born after subfertility and assisted reproduction technologies (ART)? SUMMARY ANSWER Yes. Asthma, wheezing in the last year and anti-asthmatic medication were all more common in children born after a prolonged time to conception (TTC). This was driven specifically by an increase in children born after ART.(More)
OBJECTIVE To evaluate the role of urine cytology in the investigation of men with lower urinary tract symptoms (LUTS) in the absence of haematuria. PATIENTS AND METHODS The study comprised 336 men attending a LUTS assessment clinic, who had neither macroscopic nor microscopic haematuria. One sample of urine was collected for cytology. Those with(More)
BACKGROUND Epidemiological studies have examined the health of children born after assisted reproductive technology (ART), with contradictory results. In this article, we address the question 'Do singletons born after ART have a poorer cognitive developmental outcome at 3 years of age?' We assess the implications of using different comparison groups, and(More)
It has been suggested that bearing sons increases long-term mortality in women, because sons may be more physiologically demanding to produce than daughters. In this historical cohort study in rural Bangladesh, no association between the number of sons born and mortality was seen in women in the unadjusted analyses. However, a significant reduction in(More)
PATIENTS with congenital intracardiac defects, pulmonary hypertension, and high pulmonary vascular resistance show widespread pulmonary arteriolar obstruction from medial hypertrophy and intimal proliferation.1 2 Postmortem radiograms show enlargement of the proximal pulmonary arteries but relatively few distal branches.3 Vascular channels remaining patent(More)