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  • Title: [Birth weight in an African country].
    Author: Boutaleb Y, Lahlou N, Oudghiri A, Mesbahi M.
    Journal: J Gynecol Obstet Biol Reprod (Paris); 1982; 11(1):68-72. PubMed ID: 7096955.
    Abstract:
    2900 records of deliveries occurring at a clinic in Casablanca between January and April 1979 were analyzed to identify factors influencing birth weight. Of the 2575 newborns with healthy mothers, 2353 were full term and weighed over 2500 g, 94 were full term and weighed less than 2500 g, and 128 were premature. 253 of the 2900 mothers suffered from toxemia of pregnancy, 30 had diabetes, 21 had pulmonary tuberculosis, 12 had cardiac problems, and 9 had other ailments; 30 of their babies were premature. Average birth weight was 3392 g for mothers of higher socioeconomic level, 3280 g for middle level, and 3070 g for lower level. Average weights were 3230 g for 1st births, 3426 g for 2nd births, 3494 g for 3rd-5th births, and 3620 g for subsequent births. Babies of women under 20 weighed the least; birth weights increased with maternal age and stabilized after 30. Babies of married women weighed on average 257 g more than those of single women. Babies of mothers having at least 1 prenatal consultation were 102 g heavier. Babies of women with no previous abortion, stillbirth, or premature birth were 70 g heavier. Male babies weighed 138 g more than female. Lowest birth weights were among babies with mothers weighing under 50 kg and under 145 cm tall. Babies born at 28 weeks weighed 1081 g, at 32 weeks 1814 g, and at 36 weeks 2472 g. 47.64% of premature births occurred to primaparas. 303 infants weighed more than 4000 g. Newborns of mothers with toxemia but no other illness weighed 3247 g. Over 20% of babies carried to term by mothers with toxemia weighed less than 3000 g. Birth weight decreased with increasing severity of toxemia. Average weight for mothers with diabetes was 3864 g. Of 50 babies weighing under 3000 g at birth, 2 had deficient Apgar scores, 15 weighed less than 2500 g and 5 less than 2000 g, and 17 died, of which 9 weighed less than 2500 g and 4 less than 2000 g. Regional studies disclosed that average birth weight in a maternity center in El Jadida was 3408 g, with males weighing 107 g more, and with weights generally increasing by parity and maternal age, height, and weight. Average birth weights in Fez were 3350 with males weighing 140 g more. Birth weights were correlated with parity and maternal weight but not maternal height. Average birth weights in the studies were higher than expected, and the number of low birth weight infants was less than expected.
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