Offspring birth weight in second-generation 'small for gestational age' infants.

OBJECTIVE: To quantify the intergenerational effects on intrauterine growth in pregnant women who were themselves small for gestational age (SGA) at birth. METHODS: A retrospective case control was carried out on infants born in the period 1 January 2009 to 31 March 2009 at the Sant'Orsola Hospital, Bologna. Out of 958 infants, 707 met the criteria for inclusion in the study. RESULTS: After calculation of the percentiles stratified for gestational age at delivery, 68 cases were classified as SGA. Logistic regression analysis was used as the multivariable tool for calculating the bearing of each covariable on the outcome (SGA), including smoking and the presence of an SGA in previous pregnancies. A total of 28.6% of the infants of SGA women were SGA compared with 8.6% of the children of non-SGA women (p-value < 0.01). The multivariable odds ratio was 2.61 (95% CI = 1.16-5.86) for women who were SGA to have SGA children. The extra risk of being SGA in the actual pregnancy when the mother was SGA was estimated at about 7%. CONCLUSION: Reduced intrauterine growth of the mother is a risk factor for reduced intrauterine growth of her children.

The Punatsangchhu-I dam landslide illuminated by InSAR multitemporal analyses.

We use multitemporal analyses based on Synthetic Aperture Radar differential interferometry (DInSAR) to study the slope adjacent to the large Punatsangchhu-I hydropower plant, a concrete gravity dam under construction in Bhutan since 2009. Several slope failures affected the site since 2013, probably as a consequence of toe undercutting of a previously unrecognised active landslide. Our results indicate that downslope displacement, likely related to the natural instability, was already visible in 2007 on various sectors of the entire valley flank. Moreover, the area with active displacements impinging on the dam site has continuously increased in size since 2007 and into 2018, even though stabilization measures have been implemented since 2013. Stabilisation measures currently only focus on a small portion of the slope, however, the unstable area is larger than previously evaluated. Highly damaged rock is present across many areas of the entire valley flank, indicating that the volumes involved may be orders of magnitude higher than the area on which stabilisation efforts have been concentrated after the 2013 failure. The results highlight that satellite-based DInSAR could be systematically used to support decision making processes in the different phases of a complex hydropower project, from the feasibility study, to the dam site selection and construction phase.