Top 5 Obstetric Ultrasound Systems Worth Considering

Ultrasound is a core tool in pregnancy care, from confirming early pregnancy and monitoring fetal growth to assessing fetal anatomy, the fetal heart, and Doppler flow. Therefore, when choosing an obstetric ultrasound system, image quality should be considered together with 2D performance, Doppler capability, transducers, automated measurement tools, and overall workflow efficiency.

1. Voluson Expert 22

Voluson Expert 22 is the most advanced system on this list, developed by GE HealthCare for complex obstetric and gynecologic examinations. The system combines a powerful imaging platform with dedicated Voluson transducer technologies to improve detail and contrast, particularly in early pregnancy imaging and technically challenging examinations.

Voluson Expert 22 Women’s Health Ultrasound System

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Máy siêu âm Voluson Expert 22

Key specifications

• Platform: Lyric Architecture with graphics-based beamforming
• Display: 23.8-inch HDU monitor with tilt and swivel adjustment
• Imaging technologies: Radiant, UltraHD, Augment
• Doppler: Radiantflow™, SlowflowHD, Slowflow3D
• 3D/4D: HDlive Studio+, SonoRenderlive
• Weight: approximately 95–100 kg, excluding peripherals and depending on datasheet version

Best suited for: prenatal diagnosis, fetal medicine, early pregnancy assessment, fetal cardiac imaging, and complex pregnancy cases in maternity hospitals and tertiary referral centers.

2. Voluson Signature 20

Voluson Signature 20 is designed for maternity departments and high-volume clinics that need to combine strong image quality with efficient workflow. The system uses Voluson Unity Architecture together with transducer technologies compatible with the Expert line and includes AI-powered tools to help standardize fetal anatomy and fetal heart examinations.

Voluson Signature 20 OB/GYN Ultrasound System

Voluson Signature 20

Key specifications

• Platform: Voluson Unity Architecture
• Display: 23.8-inch high-resolution LCD monitor
• Doppler: Radiantflow™, SlowflowHD
• AI and automation: SonoLyst, fetalHS, Flow Profiles, SonoAVC, Uterine Trace, Spine Trace
• 3D/4D: HDlive™, ExPress3D Face
• Weight: approximately 73 kg; optional battery with up to around 75 minutes of continuous scanning

Best suited for: second-trimester fetal anatomy examinations, fetal cardiac assessment, small-vessel and low-flow Doppler imaging, and 3D/4D fetal imaging services in hospitals and high-volume obstetric clinics.

3. Voluson Performance 18

Voluson Performance 18 (P18) belongs to the latest Performance Series generation introduced by GE HealthCare on September 15, 2025. The system focuses on high-resolution imaging, one-touch optimization, and AI-powered tools designed to reduce examination time. It is a suitable option for facilities seeking access to newer Voluson technologies without moving directly into the Expert segment.

Voluson P18 OB/GYN Ultrasound System

Máy siêu âm Voluson P18

Key specifications

• Platform: Voluson Core Architecture
• Display: 21.5-inch high-resolution LCD monitor
• Imaging: HDlive™, Radiantflow™, SonoRenderlive, OmniView
• AI: SonoLyst, fetalHS, SonoCNS, Fibroid Mapping, Spine Trace
• Performance according to GE HealthCare: SonoLyst can reduce keystrokes by up to 65% in routine second-trimester examinations, while Flow Profiles can reduce Doppler examination time by up to 56%
• Operation: approximately 64 kg, optional battery with up to around 20 minutes of use, “Hey Voluson” voice control, and support for Vscan Air CL/SL wireless probes

Best suited for: routine pregnancy examinations, fetal anatomy assessment, fetal cardiac evaluation, gynecologic applications such as fibroid assessment, follicular monitoring, OB/GYN clinics, regional hospitals, and IVF centers.

4. Voluson Performance 16

Voluson Performance 16 (P16) was introduced alongside the P18 as part of the Performance Series. It is designed for facilities that need a newer Voluson platform for obstetric and gynecologic imaging without necessarily requiring all of the tools available on the P18 or higher-end systems. It is also suitable for expanding 3D/4D services at a more accessible investment level.

Voluson P16 OB/GYN Ultrasound System

Máy siêu âm Voluson P16

Key specifications

• Product family: Voluson Performance Series, introduced on September 15, 2025
• Imaging modes: 2D, 3D/4D
• Doppler: Color Doppler, Power Doppler, PW Doppler
• Design: high-resolution imaging, intuitive user interface, and multiple transducer options depending on configuration

Detailed hardware specifications, including display size, weight, battery configuration, and the exact list of AI tools, may vary by configuration and should be confirmed with the supplier during procurement planning.

Best suited for: early pregnancy examinations, fetal biometry, anatomy assessment, growth monitoring, fetal cardiac evaluation, and Doppler imaging in small- to medium-sized OB/GYN clinics, regional maternity departments, and developing IVF centers.

5. Voluson P8

Voluson P8 was introduced before the latest Performance generation and is positioned by GE HealthCare as a more accessible entry point into the Voluson ecosystem. The system provides 2D and 3D/4D imaging together with basic automation tools in a relatively compact design suitable for smaller clinic spaces.

Voluson P8 OB/GYN Ultrasound System

Máy siêu âm Voluson P8

Key specifications

• Platform: Voluson Core Architecture
• 3D/4D: SonoRenderlive, OmniView, HDlive™ depending on configuration
• Automation tools: SonoBiometry for BPD, HC, AC, and FL measurements; SonoNT/SonoIT; SonoAVC follicle; HD-Flow
• Operation: battery support and quick resume from sleep mode
• Weight: approximately 68 kg according to distributor information
• Display: some sources report 15- or 17-inch screens depending on configuration

Best suited for: routine pregnancy examinations, gynecology, follicular monitoring, and 3D/4D fetal imaging services in private obstetric clinics and facilities making their first investment in a Voluson system.

Quick Comparison

This table reflects the technology range and intended use of each system. It should not be interpreted as a head-to-head performance ranking between the models.

Which System Should You Choose?

• For a new or medium-sized clinic focused mainly on routine pregnancy examinations: P8 or Performance 16.
• For expanding fetal anatomy, fetal cardiac, and advanced Doppler services: Performance 18.
• For high patient volumes with greater emphasis on AI and workflow efficiency: Signature 20.
• For prenatal diagnosis, fetal medicine, and complex pregnancy cases: Expert 22.

Key Considerations Before Investing

• Request an on-site demonstration using the same patient profiles commonly seen at your facility.
• Define the required transducer configuration: abdominal probes for routine examinations, volume probes for 3D/4D imaging, and transvaginal probes for early pregnancy, gynecology, and IVF.
• Consider total lifecycle costs, including transducers, software, maintenance, training, and technical support, rather than focusing only on the initial purchase price.

About TD Tech

TD Tech is an authorized GE HealthCare dealer in Southern Vietnam. Its Voluson portfolio includes the Expert 22, 20, and 18, followed by the Signature 20 and 18, S8t and S8, as well as the Performance 18, 16, and P8. The company also offers the Vivid family for cardiovascular ultrasound and the Volutracer O.P.U.S. simulation system for training. TD Tech has engineers based in Ho Chi Minh City, Da Nang, and Can Tho, together with clinical training programs.