a:4:{s:10:"Background";s:513:"Obesity has become a major health problem across the world. In women, it is known to cause anovulation, sub-fecundity, increased risk of fetal anomalies and miscarriage rates. However, in women going for assisted reproduction the effects of obesity on egg quality, embryo quality, clinical pregnancy, live birth rates are controversial To assess the effect of women's...

For a connected graph G and an non-empty set S ⊆ V (G), the Steiner distance dG(S) among the vertices of S is defined as the minimum size among all connected subgraphs whose vertex sets contain S. This concept represents a natural generalization of the concept of classical graph distance. Recently, the Steiner Wiener index of a graph was introduced by replacing the classical graph distance used...

This paper explores price spillover effects around the COVID-19 pandemic market meltdown between S&P 500 index, five other financial markets, and VIX. Frequency domain causalities are estimated for January–May 2020 time period on a high-frequency data set at five-minute intervals. The results reveal that movements in generally caused markets before meltdown; however, large number of bi-dire...