[Is the number of newborn boys decreasing?].
D003710:Demography; D019049:Developed Countries; D005060:Europe; D009426:Netherlands; D011153:Population; D011154:Population Characteristics; D017678:Sex Distribution; D012737:Sex Factors; D012744:Sex Ratio
Demographic Factors; Developed Countries; Europe; Netherlands; Population; Population Characteristics; Sex Distribution; Sex Factors; Sex Ratio--changes; Western Europe
Worden er steeds minder jongens geboren?