Schedule full? Call or text (314) 835-7935 for additional openings!
By appointment only, 7 days a week (hours vary)
794 Gravois Bluffs Blvd suite c, Fenton, MO 63026, USA
Call or text (314) 835-7935

For only $20 add this to any package for the scan of the second baby.
$75 – 2–3 minute transvaginal ultrasound for viability or pregnancy dating, typically performed between 5 1/2 to 7 1/2 weeks.
Includes 2 black & white printed images of your baby.
For entertainment purposes only. Not a medical or diagnostic scan.
$75 – 2–3 minute transvaginal scan
For non-pregnant clients needing endometrial thickness, ovary, or follicle-count imaging for fertility/GYN purposes.
For entertainment purposes only. Not a medical or diagnostic scan.
$60 – 10-minute 2D ultrasound
Includes fetal heart tones, measurements,2 black & white prints, and all images emailed.
Available from 8–40 weeks.
$75 – Up to 15-minute 2D gender ultrasound
Includes gender check, fetal heart tones, measurements, up to 3 black & white prints, and all images emailed.
Best for 15+ weeks. Gender ultrasounds are most accurate at 15 weeks or later. Complimentary rescans are not offered before 15 weeks.
$99 – 20-minute 3D ultrasound
Includes gender check (if desired), fetal heart tones, measurements, 2 black & white prints, 2 color prints, and all digital images emailed.
Best for 16–27 weeks to catch a sweet glimpse of your baby’s early features.
Plus, save 25% on any Heartbeat Animal with your visit.
$140 – 30-minute 3D/4D/HD Live ultrasound
Includes gender check (if desired), fetal heart tones, measurements, 4 black & white prints, 4 color prints, and all remaining images emailed.
Best for 28–34 weeks for beautiful views of your baby’s movements and sweet expressions. Sessions may be booked after 16 weeks.
Plus, save 25% on any Heartbeat Animal with your session.
$200 – 45-minute 3D/4D/HD Live ultrasound
Includes gender check (if desired), fetal heart tones, measurements, 8 black & white prints, 4 color prints, and all remaining images emailed.
FREE Heartbeat Animal with a recording of your baby’s heartbeat included!
Best for 28–34 weeks for beautifully developed facial features. Sessions may be booked after 16 weeks.
$75 – Up to 15-minute ultrasound for 36+ weeks
Includes baby’s position, fetal heart tones, measurements, at least 2 black & white prints, 1 color print, and all remaining images emailed.
For 36+ weeks: We’ll try to capture 3D/4D images when possible, but due to the later stage of pregnancy, 3D/4D images and rescans are not guaranteed.

$199 - 30-minute 3D/4D/HD Live Ultrasound
Fetal heart tones
Measurements
Optional gender check
THREE sets of 3 black & white prints (keep one, gift two!)
All images emailed
THREE FREE Heartbeat Animals with your baby's recorded heartbeat!
Best Imaging: You may book after 16 weeks, but optimal 3D/4D images are typically seen between 26–34 weeks.
No Rescans available on specials.

$250 – THREE ultrasounds One Low Price!
Ideal for a first trimester, second trimester, and third trimester scan.
First Trimester: 10-minute ultrasound ($75 value)
Second Trimester: 20-minute 3D scan ($99 value)
Third Trimester: 30-minute 3D/4D/HD Live ($140 value)
PLUS: A heartbeat animal of your choice is included! ($40 value)

$139 - 20-minute 3D/4D/HD Live Ultrasound
Best Imaging: While you may book after 16 weeks, but optimal 3D/4D images typically seen between 26–34 weeks.
No Rescans available on specials.

$80 - 15-minute 2D Ultrasound
Must be 15 weeks or later
No Rescans available on specials

Record your baby's heart beat and have this precious memory forever! Pick your favorite animal. Special Price only $40. With any Ultrasound Package of $99 or more save an additional 25%.
Our Fenton studio sits in Gravois Bluffs, just off I-44, an easy drive from Fenton, Valley Park, High Ridge, Arnold, and South County. Come see your baby in 2D, 3D, 4D, and HD Live with a trained sonographer, then take home prints and your full image gallery by email.
Copyright © 2026 Sneak a Peek 4d Ultrasounds - All Rights Reserved. Call or text (314) 835-7935. By appointment only, 7 days a week (hours vary).
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