Editorial.

Abstract

The editors of the Journal of Mother and Child/Medycyna Wieku Rozwojowego invite you to read the latest issue of our quarterly, the first in 2021. The topics discussed in this issue encompass health problems in preterm-born children and the effect of continuous supportive telephone counselling on improving breastfeeding self-efficacy; adverse birth outcomes in Ethiopia; and health complaints among Polish adolescents. Other topics include a clinical report of G6PD deficiency with Harilaou variant and an interesting original paper presenting a molecular analysis of large or giant congenital melanocytic nevi. Overall, we offer seven original articles.