"300 Questions about Eugenics for Boys and Girls" is edited by Wang Yanqin and published by Traditional Chinese Medicine Ancient Books Publishing House. The summary discusses and answers: From a eugenics perspective, is it better to have a boy or a girl, and how to make effective attempts at eugenics and nurturing through scientific and natural methods before pregnancy. The content is very complete, covering all important issues in the process of having children and providing comprehensive guidance for eugenics and nurturing.