1 According to birth registration data from Statistics Korea, the incidence of macrosomia was 2.8% in 2019, which shows a decreasing trend compared to previous years, such as 3.6% in 2010. 2 3 Around the same time, the prevalence of macrosomia in developed countries was about 5–20%, which is increasing, and the situation in developing countries is also increasing, primarily due to the increasing obesity and diabetic disorders of reproductive-aged women. 4 The major risk factors for macrosomia are diabetic disease, maternal obesity, and family history of macrosomia.
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