title: First-trimester diagnosis of fetal genetic disorders.
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology; D001706:Biopsy / Q000009:adverse effects; D002824:Chorionic Villi / Q000032:analysis / Q000648:ultrastructure*; D004247:DNA / Q000032:analysis; D005260:Female; D030342:Genetic Diseases, Inborn / Q000175:diagnosis* / Q000378:metabolism; D006801:Humans; D007621:Karyotyping / Q000379:methods; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis / Q000009:adverse effects / Q000379:methods*; D014463:Ultrasonography; D014599:Uterus / Q000033:anatomy & histology
chemical_list: D004247:DNA