posted 13th October 2026
Pregnancy Scan Milestones: What Happens at Each Stage?
Pregnancy is full of special milestones, from seeing your baby for the first time to watching their tiny features become more recognisable as the weeks go by.
If you're expecting a baby, you may be wondering when pregnancy scans usually take place, what you might see at each stage and whether you can enjoy additional scans along the way.
Every stage brings something new to discover. Understanding the different pregnancy milestones can help you feel prepared for the months ahead and give you plenty to look forward to.
At Daisyscan, we offer private ultrasound scans in a warm and welcoming environment, giving parents the opportunity to see their developing baby and share these special moments with the people closest to them.
Early pregnancy: Your first glimpse
The early weeks of pregnancy can be exciting, but they can also feel like a long wait before your first ultrasound appointment.
Some parents choose an early pregnancy scan because they would love to see their baby sooner or simply want to make the pregnancy feel a little more real.
Depending on how far along you are, an early ultrasound may show the pregnancy sac, yolk sac and developing embryo. Cardiac activity may also be visible, depending on the stage of pregnancy.
At this point, your baby is incredibly small, and even a difference of a few days can affect what can be seen. If your dates are slightly different from expected, your scan images may look different from what you had imagined.
For many parents, seeing that first tiny shape on the screen is a memorable moment.
Around 12 weeks: An exciting first-trimester milestone
Many pregnant women in England are offered an NHS dating scan at around 10–14 weeks.
This appointment can help establish how far along the pregnancy is and estimate your due date. Depending on your choices and local arrangements, it may also form part of first-trimester screening.
By this stage, your baby has developed considerably. The head, body, arms and legs are more recognisable, and you may see your baby moving during the scan.
It can be fascinating to compare this stage with an earlier scan and see just how much development has taken place in a relatively short time.
Around 16 weeks: Your baby is becoming more recognisable
By 16 weeks, your baby has grown, and their body is becoming more proportionate. Their arms and legs are developing, their facial features are becoming more defined and they may be moving around more than you realise.
Some women begin to feel gentle movements around this time, often described as flutters or bubbles. Others may not notice movement until a little later, particularly in a first pregnancy.
Some parents choose a private scan at this stage because they would like another glimpse of their baby or are interested in finding out whether the baby's sex can be seen.
Whether this is possible depends on factors such as the baby's position and the quality of the view. It cannot be guaranteed at every appointment.
Around 20 weeks: A closer look at development
The NHS usually offers an anomaly scan between 18 and 21 weeks of pregnancy.
This is an important clinical appointment in which trained professionals examine the baby's anatomy and check for a range of physical conditions. The scan also assesses features such as the placenta.
By this stage, your baby is much more developed, and you may be able to see their face, hands, feet and movements on the screen.
The anomaly scan has a medical screening purpose. If you have questions about the appointment or its findings, your maternity team can explain what is being assessed and whether any follow-up is needed.
Some parents also enjoy a private scan around this stage to see their baby in a more relaxed keepsake setting.
The third trimester: Watching your baby grow
During the third trimester, your baby continues to grow and prepare for birth. Their movements may become more familiar, and you may notice changes in your bump as your pregnancy progresses.
Some parents choose a private 3D or 4D scan during this stage because they would like to see their baby's facial features and movements.
A 3D scan creates a three-dimensional image, while 4D ultrasound shows these images in motion. Depending on the baby's position and other factors, you may see them stretching, moving their hands or bringing a hand towards their face.
Many parents find this a special opportunity to bond with their baby and share the experience with a partner or family member.
The timing of a 3D or 4D scan can affect the images you obtain. Many parents choose to book around the late second or early third trimester, when facial features may be easier to appreciate, although every baby is different.
If your maternity team recommends a clinical growth scan or another medical examination, make sure you attend that appointment as advised.
What is the difference between NHS and private pregnancy scans?
NHS scans are offered as part of your maternity care and may be used for dating, screening or clinical assessment.
Private scans offer an additional opportunity to see your baby, depending on the type of appointment you choose.
At Daisyscan, we focus on providing a welcoming experience where parents can enjoy seeing their developing baby. Our ultrasound scans are non-diagnostic, so they are not a substitute for medical screening or assessment.
Both types of appointment can have a place in your pregnancy journey, provided you understand their different purposes.
Do you need a scan at every milestone?
No. There is no need to book a private scan at every stage of pregnancy.
Some parents choose one additional scan, while others enjoy several opportunities to see their baby as pregnancy progresses. Your decision may depend on your preferences, circumstances and budget.
The most important thing is to attend the routine maternity appointments offered to you and follow any advice from your midwife or healthcare team.
If you experience symptoms or have concerns about your pregnancy, contact your maternity team rather than relying on a private scan for assessment.
Making the most of your pregnancy journey
From the first glimpse of a tiny embryo to seeing your baby's face during a later scan, every stage of pregnancy brings something new.
You might be looking forward to your first ultrasound, counting down to the next milestone or thinking about sharing a 3D or 4D experience with your family.
There is no single right way to enjoy these moments. Every pregnancy is different, and you can choose the experiences that feel meaningful to you.
Celebrate your pregnancy milestones with Daisyscan
At Daisyscan, we understand how special it can be to see your baby on screen.
Our qualified midwife sonographers provide private ultrasound scans in a comfortable and welcoming environment, helping you enjoy an additional glimpse of your developing baby.
Whether you're looking for an early pregnancy scan or hoping to see your baby's features in 3D or 4D, we're here to help you make the most of this special time.
Explore Daisyscan's scan options and find an appointment to suit your stage of pregnancy.