OBJECTIVE To study the prevalence of premenstrual syndrome and the factors associated with this, by comparing the obtained frequency with the self-reported frequency. METHODS This was a cross-sectional population-based study, involving 1,395 women aged 15 to 49 years old in a medium-sized municipality in Southern Brazil, carried out in 2003. Questionnaires were applied to measure the prevalen...

Objective: Pharmacovigilance is defined as the science and activities concerned with the detection, assessment, understanding and prevention of adverse reactions to medicines. Main goal of pharmacovigilance in geriatric is to improve the safe and rational use of medicines and thereby improving patient care, health of the society. Pharmacovigilance is particularly concerned with the adverse drug...

Objectives: To estimate episiotomy rate in a rural population and to find out if higher episiotomy rate is associated with place of delivery and category of health care provider. Design: Population based cross sectional study Setting: Rural population near Chennai. Sample: Included 442 mothers who had vaginal delivery between August 2004 and July 2005. Methods: Cluster sampling was used to sele...

introduction: urbanization, establishment of sedentary life style and unhealthy diet in association with environmental stress has led the cardiovascular risk factors to prevail in the metropolitan city of tehran. survey of lifestyle related cardiovascular risk factors is one of the priorities of tehran university population laboratory in the 17th zone of tehran. methods:1573 inhabitants of 17th...

in 7313 children from a UK birth cohort, eliminating concerns of population stratification (St Pourcain et al., 2010). Like McClellan and King, we expect that with the development of highthroughput sequencing technologies, whole-genome sequencing will be an invaluable tool for the study of rare genetic variants contributing to complex diseases. However, the apparent importance of rare variants ...