Results
Our group of study included a total of 1405 newborns with a minimum gestational age of 23 weeks and a maximum of 41 weeks. Regarding the correspondent birth weight, the minimum value recorded in the total study group was 240 grams and the maximum 4260 grams. In figure 1 is represented the division into groups, according to the working method.
During the duration of the study (3 years), a total of 1199 premature infants were registered, of which the majority (1121 cases, 93.5%) had appropriate weight for gestational age, and only 6.5% of the preterm cases were classified as presenting reduced weight for the gestational age. The frequency of term birth infants with low birth weight for gestational age was approximately 2% of all births registered during the three years of study.
In the study group, the highest proportion, group 2 (79.8%) had premature infants with normal weight for the gestational age followed by group 3with term infants with low weight for the gestational age (14.7%), and group 1with preterm infants with low weight for gestational age (5.6%) (Table 1).
Regarding the frequency per gender, the male gender, noted with 1 in Table 2, predominated only in study group 2, the group of premature infants with normal weight for the gestational age. The other 2 study groups were characterized by low weight for gestational age with predominantly female infants.