Over the last two decades, infants born less than 27 weeks gestation have experienced improved survival rates, 1,2 despite this, there continues to remain a significant risk of mortality and morbidity. 3,4 Current guidelines for both antenatal and postnatal counselling for preterm infants at the margins of viability use outcome statistics based on completed weeks of gestation. 5,6 Contemporary estimation of GA using first-trimester ultrasound scans offers an accuracy of ±3-7 days based on the timing of the scans and the measurements used in the calculation. 7 While many centres use only completed weeks of gestation for recording GA at birth, many use day-specific gestational estimates for calculation of postmenstrual age, for example '23 weeks 6 days gestation'. 8 For antenatal counselling, the Canadian Pediatric Society 5 and Nuffield Council on Bioethics UK 6 have set out guidelines for the
Naloxone can be effective in reversing the respiratory depressive effect of analgesic premedication and in turn facilitates expeditious extubation in some preterm infants intubated for INSURE procedure.
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