title: Human sex pre-selection.
authors.forename: R J
authors.initials: RJ
authors.lastname: Levin
mesh_terms: D000029:Abortion, Legal; D003075:Coitus; D004573:Electrolytes / Q000032:analysis; D005260:Female; D005818:Genetic Engineering / Q000379:methods; D006801:Humans; D008297:Male; D008597:Menstrual Cycle; D011247:Pregnancy; D011388:Prolactin / Q000032:analysis; D012732:Sex Determination Analysis; D012743:Sex Preselection / Q000379:methods; D012744:Sex Ratio; D013083:Sperm Transport
chemical_list: D004573:Electrolytes; D011388:Prolactin