A note on the human sex ratio and factors influencing family size in Japan.
A reanalysis of a set of data on the sex distribution of children in Japanese families shows that further increase in family-size is related to the sex of the second child (P less than 0.025). When the second child is male, there is a reduced likelihood of further children. This result is consistent with findings from a U.S. fertility study.
D005191:Family Characteristics; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D012744:Sex Ratio