Background: The increased prevalence of cesarean section (C–section) is a global epidemic. Objectives: The aim of this study was to determine the prevalence and demographic, fertility, and childbirth-related factors of C–section in Zanjan province, Iran,-Zanjan province in the period sincefrom 21 March 2014 through theto 19 March 2016. Methods: This study was a descriptive analyti...

background: iran has a high c-section rate (40.6% in 2005). the objective of this study was to assess the associations and population-attributable risks (par) of risk factors combinations and c-section in the southwest iran. methods: we performed a population-based cohort study using the reports provided by shiraz university of medical sciences. the cohort included pregnant women within septemb...

background: the increase in the prevalence of cesarean section (c-section) in recent decades has become a public health problem worldwide. studies of cesarean section in order to identify the causes and form policies and interventions to reduce the incidence of this health problem are necessary. this study was conducted with the aim to investigate the causes of c-sections performed at niknafs a...

Occurrence of dystocia Dystocia is relatively uncommon in with a herd goal of fewer than 5 % of birthings requiring assistance. Problem birthings may be defined as failure of transition from stage I to stage II labor or when little to no progress is made for 30 minutes or more after the start of stage II labor. Stage I labor is defined as preparation for fetal expulsion and includes restlessnes...

We present the program Top++ for the numerical evaluation of the total inclusive cross-section for producing top quark pairs at hadron colliders. The program calculates the cross-section in a) fixed order approach with exact next-to-next-to leading order (NNLO) accuracy and b) by including soft-gluon resummation for the hadronic cross-section in Mellin space with full next-to-next-to-leading lo...