title: PROBLEMS CONNECTED WITH THE BIRTH OF MALE CHILDREN.
mesh_terms: D000293:Adolescent; D000486:Allergy and Immunology; D001722:Birth Order; D002648:Child; D005260:Female; D005313:Fetal Death; D005826:Genetics, Medical; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D036801:Parturition; D011247:Pregnancy; D012723:Sex; D014798:Vital Statistics
keywords: ADOLESCENCE; BIRTH ORDER; FETAL DEATH; GENETICS, HUMAN; IMMUNOLOGY; INFANT, NEWBORN; JAPAN; PREGNANCY; SEX; VITAL STATISTICS