Is bigger better: the association between follicle size and livebirth rate following IVF

Is bigger better: The association between follicle size and livebirth rate following IVF?

Purpose: To analyze the correlation between lead follicle size at hCG trigger and IVF outcome. Methods: A review of all patients undergoing their first IVF cycle between 1/2005-12/2009 was performed. Four groups were evaluated (<18 mm, 18 18.9 mm, 19 19.9 mm and ≥20 mm), based on the mean diameter of the two largest follicles on day of ovulation trigger (OT); cycle parameters and outcomes were ...

Is Bigger Always Better ? The Effect of Size on Defaults

Analyzing a large sample of Italian firms we find that the probability of default increases with size. This contrasts with the common observation, based on measures of exit from business registry data, that firms’ death rate is inversely related to the scale of their operation and suggests a rethinking of the economic role of larger companies. We gratefully acknowledge financial support from MI...

Body size and predatory performance in wolves: is bigger better?

1. Large body size hinders locomotor performance in ways that may lead to trade-offs in predator foraging ability that limit the net predatory benefit of larger size. For example, size-related improvements in handling prey may come at the expense of pursuing prey and thus negate any enhancement in overall predatory performance due to increasing size. 2. This hypothesis was tested with longitudi...

Title : Is Bigger Better ? Lab Productivity and Lab Size

Is Bigger Better? Vehicle Size and Driver Perceptions of Safety

Large, high mass vehicles have poor fuel efficiency and a high level of pollutant emissions when compared with lighter vehicles (Beydoun & Guldmann, 2006). Despite tangible fuel savings and the environmental benefits of smaller vehicles, the New Zealand public are driving larger vehicles, with mean engine size increasing from 1.9L to 2.1L from 1990 to 2004 (MOT, 2006). A similar trend is observ...