You may have seen adverts for "keepsake" or "bonding" scans and wondered how they differ from the ultrasound your doctor orders. The distinction is important. Here's a clear explanation.
Diagnostic Ultrasound — A Medical Test
A diagnostic ultrasound is a medical examination performed for a clinical reason. Its purpose is to gather information a doctor needs. Key features:- Ordered for a medical purpose — investigating symptoms, monitoring a pregnancy, checking an organ
- Performed by trained medical sonographers following clinical protocols
- Interpreted by a radiologist who produces a formal report
- Results go to your doctor to guide your care
- Uses only the exposure needed to answer the medical question (the ALARA principle)
Keepsake ("Souvenir") Scans — For Images, Not Medicine
A keepsake scan — often marketed as a 3D/4D "bonding" scan — is done primarily to give expectant parents lovely images and video of their baby. Key features:- Non-medical purpose — the goal is bonding and mementos, not diagnosis
- Not a substitute for your medical scans
- Not intended to detect or rule out medical conditions
- Focused on portrait-style images rather than clinical assessment
The Important Safety Note
Health authorities generally advise caution with purely non-medical scans. Because they add ultrasound exposure without any medical benefit, the guidance is to keep them reasonable and avoid unnecessary or prolonged sessions. This follows the sensible principle of not exposing a baby to ultrasound without a medical reason. Importantly, a keepsake scan should never replace your medically-recommended scans. If a souvenir scan happens to reveal something concerning, the operators may not be qualified to assess it — which is why medical scans, performed and interpreted by professionals, remain essential.The Best of Both
A well-run medical scan often also gives you a chance to see your baby and take home an image — combining clinical value with a special moment. That's different from a purely commercial souvenir session.The Takeaway
- Diagnostic scan = a medical test that guides your care.
- Keepsake scan = optional, private, for images only — never a replacement for medical care.
This article is for general information only and is not a substitute for professional medical advice.
Ready to Book Your Ultrasound Scan?
Mascot Healthcare Clinic, Akoka (Yaba), Lagos offers ultrasound scans by appointment only, Monday–Saturday, 9am–5pm. Book online and choose a time that works for you.