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Published on: June 29, 2013
Postnatal Growth in a Cohort of Sardinian Intrauterine Growth-Restricted Infants
Maria Grazia Clemente1, Giampiero Capobianco2, Paolo Mattia Galasso1
1Pediatric Clinic, Department of Surgical, Microsurgical and Medical Sciences, University of Sassari, Sassari, Italy.
Insights
Infants with intrauterine growth restriction (IUGR) often show significant catch-up growth in weight, length, and head circumference during their first year. This catch-up growth is crucial for their development up to the third postnatal year.
Area of Science:
- Pediatrics
- Neonatology
- Human Growth and Development
Background:
- Intrauterine growth restriction (IUGR) affects fetal development, leading to smaller infants at birth.
- Catch-up growth is a known phenomenon in infants born with IUGR, but its extent and duration require further study.
- Understanding postnatal growth patterns in IUGR infants is essential for monitoring and intervention.
Purpose of the Study:
- To evaluate the postnatal growth trajectory of infants diagnosed with intrauterine growth restriction (IUGR).
- To compare the anthropometric parameters of IUGR infants with a control group from birth to three years.
- To determine the prevalence and timing of catch-up growth in a cohort of IUGR infants.
Main Methods:
- An observational retrospective study involving 12 IUGR infants and 12 control infants.
- Measurement of anthropometric parameters: weight (W), length (L), and head circumference (HC).
- Data collection from birth up to the third postnatal year.
Main Results:
- Significant differences in W, L, and HC were observed at birth between IUGR and control groups (p < 0.0001 for all).
- During the first year, 70% (8/12) of IUGR infants demonstrated significant catch-up growth across all measured parameters.
- IUGR infants who experienced catch-up growth maintained regular growth patterns until the third postnatal year.
Conclusions:
- The majority of infants with IUGR exhibit significant catch-up growth, primarily within the first 12 months of life.
- Postnatal growth patterns in IUGR infants are variable, with some showing catch-up and others not.
- Further research into IUGR causes is needed for improved prevention and individualized treatment strategies.
Abstract:
Recent studies have shown that infants with intrauterine growth restriction (IUGR) undergo catch-up growth during infancy. The aim of our study was to evaluate the postnatal growth in a cohort of IUGR infants born in a tertiary-level Obstetric University Hospital of Northern Sardinia. An observational retrospective study was conducted on 12 IUGR (group A) and 12 control infants (group B) by measuring the anthropometric parameters of weight (W), length (L) and head circumference (HC) from birth to the 3rd postnatal year. At birth, significant differences were found between group A and group B with regard to all the auxological parameters (W, mean 1846.6 versus 3170.8 g, p < 0.0001; HC, 30.1 versus 34.4 cm, p < 0.0001; L, mean 43.4 versus 49.4 cm, p < 0.0001). During the 1st year, 8 of 12 (70%) IUGR infants exhibited a significant catch-up growth in the 3 anthropometric parameters and a regular growth until the 3rd year of follow-up. The majority but not all infants born with IUGR in our series showed significant postnatal catch-up growth essentially during the first 12 months of life. An improved knowledge of the causes of IUGR will help to develop measures for its prevention and individualized treatment.
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