Infant's body weight at birth, premature and abnormal birth were also influencing factors.

婴儿方面的因素有出生体重、早产及婴儿异常。

youdao

Results show that 60—day litter size, 20—day litter weight and litter weight at birth are important factors influencing weaning weight of litter.

结果表明，60日龄仔猪数、20日龄窝重和初生窝重，是影响断奶窝重的重要因素。

youdao

Results: According to incidence, the six leading risk factors in the 560 cases were premature birth, low weight at birth, suffocation, mother, multi fetus, and icterus.

结果：560例脑瘫的致病因素按发生频度，排在前6位的分别是早产、低出生体重、窒息、母亲因素、多胎、黄疸。

youdao

The five ranged in weight at birth from 1 pound, 12 ounces to 2 pounds, 11 ounces and in length from 12.5 inches to 15.5 inches.

CNN: 5 babies in 5 minutes: Texas quintuplets

The former were born after a gestation period of 27 weeks on average, compared with 31 weeks, and their average weight at birth was 820g, compared with 1415g.

BBC: Why prematurity puts lungs at risk

The study, from University of California, San Francisco (UCSF), followed 40 newborn babies who had lost at least 5% of their birth weight by the time they were 36 hours old.

CNN: How formula could increase breast-feeding rates