Aim Along with changes to the human physique recorded over the past decades in certain countries, there are also changes concerning the male-female birth ratio. The aim of this study was to establish the movement of male-female birth ratios and factors affecting the ratio.Methods This retrospective study was conducted in Zagreb, Croatia, in the per...

By Hrvoje Vraneš, Hrvojka Soljačić Vraneš, Ivka Djaković, Vesna Gall, Ana Meyra Potkonjak