4D Ultrasound Near Sweetwater TN: What Monroe County Families Need Before Booking
Families searching for 4D ultrasound near Sweetwater TN will find that the nearest boutique keepsake ultrasound studio is Behind the Bump HD in Powell, TN, about 55 to 65 minutes north via US-11 and I-75 or the Norris Freeway corridor. This guide covers everything Monroe County families from Sweetwater, Madisonville, Tellico Plains, and Vonore need to know before making the drive, including what to expect during a 4D ultrasound near Sweetwater TN and how to get the most out of your session.
What You Will Find Here
Quick Takeaways
- Behind the Bump HD: 7603 Blueberry Rd, Powell, TN — 55 to 65 minutes from Sweetwater
- Open Tuesday–Friday 10am to 8pm, Saturday 10am to 5pm
- Sessions from $65 (2D) to $145 (HD Complete); SneakPeek DNA $149
- 4D and HD imaging recommended from 26 to 32 weeks for clearest facial detail
- Estimated reading time: 7 minutes
- Last reviewed: July 2026
Getting There from Sweetwater
4D ultrasound near Sweetwater TN means heading north on US-11 to I-75 north, then connecting to the Norris Freeway toward Powell. The drive from central Sweetwater is roughly 55 to 65 minutes. Madisonville families on the west side of the county can take US-411 north to I-40 east and approach Powell from the west. Vonore and Tellico Plains residents sit slightly further south but the drive is still manageable as a half-day trip.
The studio is at 7603 Blueberry Rd in Powell, TN 37849. Ample parking is directly at the entrance. For families making the trip from Monroe County, planning the session as part of a small outing — perhaps stopping for lunch in the Knoxville area before or after — turns a 90-minute round trip into a memorable afternoon.
Studio hours are Tuesday through Friday from 10am to 8pm and Saturday from 10am to 5pm. If you are making the drive from Sweetwater, a late morning or early afternoon appointment leaves plenty of time for travel and gives you the rest of the day for the Knoxville area if you choose to make a day of it.
What Happens During a 4D Ultrasound Session
Many families arrive at Behind the Bump HD not entirely sure what to expect. That is natural, especially if this is a first elective ultrasound visit. Here is a plain account of how it unfolds.
You Arrive and Settle In
There is no intake paperwork to fill out in a waiting room while clinical staff shuffle past. You walk in, meet the team, and get comfortable in the studio space. Your guests settle in around you. The screen is set up for everyone in the room to see clearly.
The Session Begins
A small amount of ultrasound gel is applied to your abdomen and the transducer is placed on your skin. Within seconds, baby appears on screen. The imaging is live and real-time. You are watching your baby as they actually move, not reviewing a recording.
The Team Works with Baby's Position
Babies are not always perfectly positioned for imaging, and that is fine. The sonographer navigates around baby's position patiently, looking for the angles that give the best facial and body views. Sometimes a small shift in your position helps. Sometimes baby simply needs a few minutes to move on their own. The session moves at baby's pace.
You Watch, React, and Take It In
This is the part families remember. Watching baby yawn, stretch an arm, or show a fleeting smile on a large screen with your family around you is a different kind of experience from seeing a still print at a clinical appointment. The room reacts together. It is one of those moments that genuinely catches people off guard with how emotional it is.
You Leave with Your Keepsakes
Printed images and digital delivery happen based on your package. The HD Complete Bump includes a full digital video of your session and free live streaming so family who could not make the drive can watch along from anywhere in real time.
According to the American Institute of Ultrasound in Medicine, obstetric ultrasound has been used in clinical practice for more than 50 years with no confirmed biological hazards at standard diagnostic intensity levels. Elective sessions use the same diagnostic-grade equipment within those established parameters.
When to Book for the Best Experience
The stage of pregnancy shapes what your session looks like. Here is a plain breakdown:
Families who come between 15 and 22 weeks often get wonderful full-body shots and active movement. Baby kicks, stretches, and tumbles during this window. Gender determination is reliable from 15 weeks. The face is visible but smaller and less filled out than later in pregnancy.
Between 24 and 28 weeks, baby is growing fast. Features are developing quickly and HD imaging starts to produce more defined results. This is a solid middle window for families who want 4D and HD quality without waiting until the third trimester.
The 26 to 32 week window is where 4D and HD imaging tends to shine most consistently. Baby has developed subcutaneous fat that rounds out the face and makes HD rendering look near-photographic. Our team recommends this window for families whose primary goal is detailed facial imaging. The 28 to 30 week mark tends to be a sweet spot within that window.
Later sessions, from 32 weeks onward, can still yield beautiful results. Position and fluid levels play a bigger role at this stage, but many families who come in late still leave very happy with what they saw and captured.
Package Options
Behind the Bump HD offers transparent, straightforward pricing across a clear range of packages. For Monroe County families making a longer drive, the HD Bump and HD Complete Bump tend to be the most popular choices since they maximize imaging time:
2D Quick Bump ($65): 5 to 10 minutes of 2D imaging. Heartbeat, movement, printed black and white images, and 20+ digital images. A great low-cost introduction or early visit.
2D Gender Bump ($95): 10 to 15 minutes with gender determination from 15 weeks. Prints and 20+ digital images included.
Mid-Week Bump ($105): 10 minutes of 4D and HD imaging with gender determination. Available Tuesday through Thursday. The best value for HD imaging among all the packages.
HD Bump ($125): 15 to 20 minutes of 4D and HD imaging. Gender determination, 40+ digital images, and prints. The standard choice for families who want substantive HD time.
HD Complete Bump ($145): 20 to 25 minutes. Everything in the HD Bump plus a full digital video of your session and free live streaming. For Monroe County families whose parents live elsewhere in Tennessee, the live streaming option means everyone can share the moment no matter where they are.
Details are on the ultrasound packages page.
Gender and DNA Options
Two options are available for gender determination at Behind the Bump HD.
Ultrasound Gender Determination (15 Weeks and Up)
The 2D Gender Bump at $95 offers gender determination by ultrasound starting at 15 weeks. It is a focused session built around that reveal moment. Many Sweetwater and Madisonville families have made the drive to find out together as a family group, treating the visit as its own celebration.
SneakPeek DNA Testing (6 Weeks and Up)
A blood draw collected at the studio goes to a certified lab with results typically returning the next business day. It analyzes cell-free fetal DNA for the presence of Y chromosomes. Available from 6 weeks of pregnancy, it is the earliest possible way to confirm baby's sex. More information is on the SneakPeek DNA page. Pricing is $149.
According to the American College of Obstetricians and Gynecologists, cell-free fetal DNA analysis has demonstrated accuracy above 99 percent for sex determination in large clinical studies.
Tips for First-Time Visitors
A few things go a long way toward making your first elective ultrasound session the best it can be:
Hydrate for Several Days Before
This is the most commonly underestimated preparation step. Amniotic fluid clarity directly affects image quality. Drinking generously more water than usual in the three to five days before your session makes a measurable difference. Start early, not just the morning of.
Bring More People Than You Think You Should
Many first-time visitors hesitate to bring a large group, not knowing the studio setup. Behind the Bump HD is designed to accommodate guests. Grandparents, siblings, partners, close friends — they are all welcome. The big-screen experience is better shared.
Book Before You Are Ready
Evening and Saturday slots fill several weeks out, especially in spring and summer. If you are thinking about booking for the 28 to 30 week window, start looking at dates now. You can always adjust if your pregnancy timeline shifts.
Have a Light Snack Beforehand
A small, slightly sweet snack 30 to 60 minutes before your session can gently encourage baby to be more active during imaging. Do not eat a heavy meal, but a snack helps. Active babies give more viewing angles and more opportunities for the images families want.
Frequently Asked Questions
How far is Sweetwater, TN from Behind the Bump HD?
Behind the Bump HD is at 7603 Blueberry Rd, Powell, TN. From central Sweetwater, the drive is roughly 55 to 65 minutes heading north on US-11 to I-75 north, then the Norris Freeway toward Powell. Madisonville and Vonore have similar drive times. Tellico Plains is further south and may add 10 to 15 minutes to the estimate.
What is the difference between 4D and HD ultrasound?
4D ultrasound shows baby moving in real-time three-dimensional imaging. You watch live movement, not a still image. HD ultrasound adds more advanced rendering that produces near-photographic skin texture and detail. Think of 4D as live movement and HD as the quality of how that movement looks on screen. At Behind the Bump, the 4D and HD packages combine both so you see baby in real time with the richest possible image quality.
Can I come in just for a heartbeat animal without a full ultrasound session?
Heartbeat animal recordings are available from 10 weeks of pregnancy. Call the studio at (865) 333-8925 to ask about scheduling options. Many Monroe County families who want a very early keepsake visit start with a heartbeat recording and return later for a full 4D or HD session.
Is there a package that includes everything?
The HD Complete Bump at $145 is the most comprehensive option. It includes 20 to 25 minutes of 4D and HD imaging, gender determination from 15 weeks, printed images, 40+ digital images, a full digital video of your session, and free live streaming. For families making a longer drive from Monroe County, this package tends to be the one they are most glad they chose.
Do I need to have a full bladder for an elective ultrasound?
Not for second or third trimester visits. You do not need a full bladder for 4D or HD sessions. Staying well-hydrated in the days before your visit is more important than the state of your bladder at the appointment itself. Early first-trimester trans-abdominal scans sometimes benefit from a fuller bladder, but elective 4D and HD sessions from 15 weeks onward do not have this requirement.
Can I find out baby's gender at the same appointment as my HD session?
Yes. Gender determination is included in every 4D and HD package starting at 15 weeks. You do not need a separate appointment. The HD Bump and HD Complete Bump both include gender determination as standard.
What if my session is less than ideal due to baby's position?
The Behind the Bump team approaches positioning challenges patiently. Most sessions result in images families are happy with. Hydration, timing, and a snack beforehand all help. For the rare session where baby simply will not cooperate, the team will discuss options with you.
How should Monroe County families plan their visit day?
Most Monroe County families find that treating the appointment as part of a half-day Knoxville area outing works well. Drive up, enjoy lunch or a stop somewhere in the Knox County area, come in for your session, and head back south. The round trip is manageable and the experience at the studio makes the drive feel well worth it.
Is elective ultrasound safe?
Yes. The American Institute of Ultrasound in Medicine reports no identified biological hazards at standard diagnostic intensity levels after more than five decades of clinical study. Behind the Bump HD uses the same diagnostic-grade equipment within those parameters. If you have concerns specific to your pregnancy, your OB or midwife is the right person to consult.
Monroe County Families: Your Session Is Waiting in Powell
The drive from Sweetwater or Madisonville to Behind the Bump HD is one that families from Monroe County describe as completely worth it. Book your 4D or HD keepsake ultrasound and see your baby's face before they arrive.
Questions? Call us at (865) 333-8925 or book your session online anytime.
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