title: Progress in the methodology for antenatal diagnosis of the beta chain hemoglobinopathies.
mesh_terms: D000755:Anemia, Sickle Cell / Q000175:diagnosis; D004912:Erythrocytes; D005260:Female; D005319:Fetal Hemoglobin / Q000378:metabolism; D006453:Hemoglobinopathies / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods*; D013789:Thalassemia / Q000175:diagnosis
chemical_list: D005319:Fetal Hemoglobin