title: [Choice of the sex of children before conception].
mesh_terms: D005260:Female; D005306:Fertilization; D005818:Genetic Engineering; D006801:Humans; D008297:Male; D010061:Ovulation Detection / Q000379:methods; D011247:Pregnancy; D012743:Sex Preselection
vernacular_title: La elección del sexo de los hijos antes de la concepción.