AI Article Synopsis
- A study of 434 twins from 220 women at Notre-Dame Hospital over 11 years analyzed perinatal mortality before and after 1974 and examined the effects of ultrasound on outcomes from 1974 to 1979.
- The primary cause of perinatal mortality was identified as low birth weight due to either prematurity or intrauterine growth retardation, with fetal mortality rates remaining stable across the two periods.
- Although the overall perinatal mortality rate stayed the same, neonatal mortality significantly dropped from 68.2 to 28.9 per 1,000 births, primarily due to improved survival rates for twins weighing under 1,500 grams at birth.
Article Abstract
Four hundred and thirty four twins occurring in 220 women were studied during a period of 11 years (1969-1979) at Notre-Dame Hospital. Perinatal mortality (less than 28 days) was compared before and after 1974, and the impact of ultrasound technique upon perinatal outcome was assessed during the second period (1974-1979). The main factor associated with perinatal mortality was low birth weight caused by either prematurity or intrauterine growth retardation. While fetal mortality remained unchanged within the two study periods, neonatal mortality decreased from 68.2/1,000 to 28.9/1,000 mainly due to increased survival rate of twins below 1,500 g at birth. With identical perinatal care during the same period, perinatal mortality and incidence of intrauterine growth-retarded twins remained unchanged despite early diagnosis by ultrasound.
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| http://dx.doi.org/10.1017/s0001566000008242 | DOI Listing |
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