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Sneak a Peek 4D Ultrasounds
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  • LOCATIONS
    • Fenton
    • St. Charles
    • Chesterfield
    • Creve Coeur-Olive
    • Creve Coeur-Ballas
    • Arnold
  • Sent by midwife?
  • Photography
  • Gender blood tests
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  • More
    • Home/Gift Cards
    • LOCATIONS
      • Fenton
      • St. Charles
      • Chesterfield
      • Creve Coeur-Olive
      • Creve Coeur-Ballas
      • Arnold
    • Sent by midwife?
    • Photography
    • Gender blood tests
    • Contact us
    • About Us
    • Gallery
Sneak a Peek 4D Ultrasounds
  • Home/Gift Cards
  • LOCATIONS
    • Fenton
    • St. Charles
    • Chesterfield
    • Creve Coeur-Olive
    • Creve Coeur-Ballas
    • Arnold
  • Sent by midwife?
  • Photography
  • Gender blood tests
  • Contact us
  • About Us
  • Gallery
click top left for other location options
click top left for other location options

About Us

Ultimate bonding experience for expectant parents- see your little one like never before.

Why Choose Us

Our commitment to You

Our commitment to You

 At Sneak A Peek, what truly sets us apart is our unwavering commitment to both the joy and the safety of your experience.  Every session is guided by a formally educated and professionally trained sonographer, ensuring that your visit is not only a cherished memory but also conducted responsibly and with care.

Our commitment to You

Our commitment to You

Our commitment to You

 We promise to do everything we can to make your ultrasound experience truly special. We take the time to listen, understand your hopes, and honor your vision—because this moment is about you, your baby, and the joy of creating lasting memories with your family. 

Ultrasound is safe way to bond with your baby.  See the little one kicking you everyday. Let dad see

Our Philosophy

Experience the Difference

Experience the Difference

 We believe every family deserves a memorable, joyful experience. We focus on you and your baby, creating a warm and supportive environment where your unique journey is honored. Using advanced technology and years of expertise, we bring your little one to life in stunning detail—while ensuring your safety and comfort are always our top priority. 

Ultrasound image your baby. We take the time to show you the baby.  This is a special time

Experience the Difference

Experience the Difference

Experience the Difference

It is important to choose a facility that your doctor or midwife supports and endorses.  Sneak A Peek has relationships with many providers that endorse our 3D/4D baby ultrasound services. We are members of the medical community and our team has trained many sonographers in the St. Louis market to be the best!  


Gift Cards

Send a gift card to expecting friends and family!  Great baby shower gift item!!!


Gift Card Purchase Online and Email to Recipient!

Fenton location Purchase your EGift Card HereST. CHARLES LOCATION PURCHASE YOUR EGIFT CARD HERE CHESTERFIELD LOCATION PURCHASE YOUR EGIFT CARD HERECREVE COEUR OLIVE LOCATION PURCHASE YOUR EGIFT CARD HERE


HAVING TWINS?

For only $20 add this to any package for the scan of the second baby.   

Transvaginal or transabdominal for dating scan

$75 for 2-3 minute quick peek for viability or dating.  Transvaginal performed 4-7 weeks. Transabdominal scan  8 -10 weeks. Entertainment  only. Not a Medical scan. 

How's My Baby (Peace of Mind)

$60 for up to 10 minutes of scan time which includes fetal heart tones, measurements, and two 2D prints of baby with all images emailed. (10-40 weeks)  (2D images)

He or She, What Will I Be?

$75 for up to 15 minutes of scan time which includes gender check, fetal heart tones, measurements, and up to three black & white prints of baby with all images emailed.  

(15 weeks to 40 weeks)  (2D images)

 **Gender ultrasounds are most accurate at 15 weeks or later. Complementary rescans are not offered before this gestation. 

Sneak A Peek 3D

$99 for up to a 20 minutes session which includes  gender check, fetal heart tones, measurements,  and up to two black & white prints and two color prints of baby with the rest emailed.  (16 weeks or greater with the best images typically between 28-32weeks)  (2D/3D/4D images)  25% off Heartbeat animal with this package.

Mommy Platinum 3D/4D/HD/hdLive

$140 for up to 30 minutes session which includes gender check, fetal heart tones, measurements,  and up to 4 black & white prints and 4 color prints of baby with the rest emailed.  (16 weeks or greater with the best images typically between 28-32weeks)  (2D/3D/4DHD images)  25% off Heart Beat Animal with this Package

Ultimate Heartbeat Animal Package 3D/4D/HD/HDLive

$200 for up to 45 minutes session which includes gender check, fetal heart tones, measurements,  and up to 8 black & white prints and 4 color prints of baby with the rest emailed.  FREE HEARTBEAT ANIMAL of your choice with the recording of your baby's heart beat to cherish for years to come .  (16 weeks or greater with the best images typically between 28-32weeks)  (2D/3D/4DHD  and HD LIVE images) 

Last Peek Package $75 (36 + WEEKS)

 $75  for up to 15 minute scan session which includes position, fetal heart tones, & measurements with at least two black and white prints and one color print of baby with the rest emailed. This package is for those 36 weeks or greater with no RESCAN guarantees. If We can get a 3D/4D we will try. Again no guarantees this late in pregnancy. 

ALL-INCLUSIVE Package (Special Price)

$250-Come in for THREE ultrasounds at one low price. Ideal for a first trimester, second trimester, and a third trimester scan. 

First Trimester- 10 minute ultrasound that includes fetal heart tones, measurements, and up to three black & white prints with all images emailed ($75 value). 

Second Trimester- 20 minute 3D scan session that includes gender check (if desired), fetal heart tones, measurements, and up to two black & white prints and two color prints of baby with the rest emailed.  ($99 value) 

Third Trimester-30 minute 3D/4D/HD Live ultrasound session that includes  gender check (if desired), fetal heart tones, measurements,  and up to four black & white prints and four color prints of baby with the rest emailed. ($140 value) Heartbeat animal of your choice included! ($40 value) 

*This package gets you 25% off any "in-stock" item purchases made within the store at anytime during your pregnancy. No refunds or transfers of incomplete services.


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Copyright © 2025 Sneak a Peek 4d Ultrasounds - All Rights Reserved.

  • Home/Gift Cards
  • Fenton
  • St. Charles
  • Chesterfield
  • Creve Coeur-Olive
  • Creve Coeur-Ballas
  • Arnold
  • Sent by midwife?
  • Photography
  • Gender blood tests
  • Contact us
  • Gallery

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