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A paper given at a conference held towards the end of 1981 by the Institute of Management Services Transport and Distribution Specialist Group described the design and implementation processes involved in installing computer systems in warehouses. Below Ron Barker, sales manager at SPL International, sets out the basic requirements for such a system.

Using the case of the Deepwater Horizon blowout in the Gulf of Mexico in 2010, I argue that the catastrophe was less an example of a low probability-high catastrophe event than an instance of socially produced risks and insecurities associated with deepwater oil and gas production during the neoliberal period after 1980. The disaster exposes the deadly intersection of the aggressive enclosure of a new technologically risky resource frontier (the deepwater continental shelf) with what I call a frontier of neoliberalized risk, a lethal product of cut-throat corporate cost-cutting, the collapse of government oversight and regulatory authority and the deepening financialization and securitization of the oil market. These two local pockets of socially produced risk and wrecklessness have come to exceed the capabilities of what passes as risk management and energy security. In this sense, the Deepwater Horizon disaster was produced by a set of structural conditions, a sort of rogue capitalism, not unlike those which precipitated the financial meltdown of 2008. The forms of accumulation unleashed in the Gulf of Mexico over three decades rendered a high-risk enterprise yet more risky, all the while accumulating insecurities and radical uncertainties which made the likelihood of a Deepwater Horizon type disaster highly overdetermined.

As the cost of powerful microcomputer hardware continues to decrease each year, the demand for sophisticated software designed to take advantage of these low cost machines increases. This inverse relationship is especially true in the human services field where budgets are almost always tight and the need for information continues to increase as the client population grows.

The purpose of this paper is to describe the major factors affecting health during pregnancy, birth and the postnatal period and outline the evidence for interventions to improve outcomes in women and their children.

Selective review of the literature. A number of electronic bibliographic databases were searched, including the Cochrane Database of Systematic Reviews, PubMed and PsycINFO, for relevant studies published since 1990. Papers were restricted to those published in English which presented data from studies conducted in high-income countries, with priority given to systematic reviews, randomised controlled trials and other quantitative studies which present a higher level of evidence.

Many factors may affect maternal and infant health during and after pregnancy. Potentially modifiable factors with an evidence base to support intervention include improving diet, and the avoidance of smoking, alcohol and illicit drugs. Good clinical management of underlying illness is also important, along with attempts to engage women in improving health prior to conception and postnatally rather than once pregnancy is established.

The evidence base for interventions on some potentially modifiable risk factors is incomplete. There is good evidence of benefit from some health behaviours such as smoking cessation and uptake of breastfeeding and accumulating evidence of the benefit of some models of maternity care.

Good maternal health during and after pregnancy plays a key role in giving the child a better start in life. Improved health behaviours are vital but often these are heavily dependent on social context and hence working to tackle social inequality and provide maternity care tailored to individual need is likely to be just as important as trying to directly alter behaviour.

Pregnancy and the postnatal period present an opportunity to improve maternal health and have a positive effect on future child health. Greater investment is required in this antenatal period of life.