Similarities and differences in child development from birth to age 3 years by sex and across four countries: a cross-sectional, observational study Prof Ilgi Ozturk Ertem, MD, Vibha Krishnamurthy, MD, Mphelekedzeni C Mulaudzi, MD, Yanina Sguassero, MD, Hakan Balta, MD, Ozlem Gulumser, MD, Burcu Bilik, MSc, Roopa Srinivasan, MD, Benjamin Johnson, MSc, Geliang Gan, PhD, Lisa Calvocoressi, PhD, Veronika Shabanova, PhD, Prof Brian W C Forsyth, MBChB The Lancet Global Health Volume 6, Issue 3, Pages e279-e291 (March 2018) DOI: 10.1016/S2214-109X(18)30003-2 Copyright © 2018 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Terms and Conditions
Figure 1 Distribution of ages of attainment for selected developmental milestones across sexes and the total sample The Lancet Global Health 2018 6, e279-e291DOI: (10.1016/S2214-109X(18)30003-2) Copyright © 2018 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Terms and Conditions
Figure 2 Distribution of ages of attainment for selected developmental milestones across Argentina, Turkey, India, and South Africa, and the total sample The Lancet Global Health 2018 6, e279-e291DOI: (10.1016/S2214-109X(18)30003-2) Copyright © 2018 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Terms and Conditions