An anti-inflammatory injection, which usually means an antibiotic injection, can be used for a chromosome test. Injections of antibiotics are mainly to promote the reduction or disappearance of pathogenic bacteria in the body, with antibacterial effect, used to treat a variety of bacterial infections in the body, usually does not affect the chromosome test. The main chemical composition of chromosomes is deoxyribonucleic acid, composed of DNA and proteins, the chromosomes of each person’s body is generally speaking is fixed, the chromosomes will carry the body’s genetic inheritance of genes, may also carry genetic diseases. Chromosomes are generally not affected by acquired drugs or other factors, by checking the chromosomes of both men and women, some hereditary diseases can be detected, especially in the case of women with induced abortion or habitual abortion, which has a certain reference value.