Hologic, Inc. is a developer, manufacturer and supplier of diagnostics products, medical imaging systems and surgical products with an emphasis on women's health. The Company operates through four segments: Diagnostics, Breast Health, GYN Surgical and Skeletal Health. The diagnostics products include Aptima family of assays, ThinPrep system, the Rapid Fetal Fibronectin Test and Procleix blood screening assays. It offers viral load assays for the quantitation of Hepatitis B Virus (HBV), Hepatitis C Virus (HCV) and Human Immunodeficiency Virus-1 (HIV-1). The Breast Health products include breast imaging and related products and accessories, including digital mammography systems, computer-aided detection (CAD) and breast biopsy guidance systems. The GYN Surgical products include NovaSure Endometrial Ablation System and MyoSure Hysteroscopic Tissue Removal System. The Skeletal Health segment offers Discovery and Horizon X-ray bone densitometers and mini C-arm imaging systems.