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Your Pregnancy Journey in 3D Ultrasound: What’s Happening at 6 Weeks?

Writer: A.S, RDMSA.S, RDMS

Updated: Mar 5

At 6 weeks pregnant, your baby is growing rapidly, and exciting milestones are happening!


3D Ultrasound at 6 Weeks

  • A gestational sac, yolk sac, and tiny fetal pole may be visible on 2D and 3D ultrasound depending on the ultrasound equipment and the practitioner.

  • A heartbeat may be detected, though in some cases, it may still be too early.

  • Visualizing and documenting an intrauterine gestational sac, yolk sac and an embryo with a normal heart rate (120 bpm) would be considered a viable pregnancy.


    Quad image illustrating the 6th week of pregnancy: A clear 2D ultrasound measuring the baby's size (top-left), a detailed 3D ultrasound image (top-right), a Flo medical illustration showing fetal development (bottom-left), and a bowl of pomegranate seeds (bottom-right) representing the baby's approximate size at this stage.
    Quad image illustrating the 6th week of pregnancy: A clear 2D ultrasound measuring the baby's size (top-left), a detailed 3D ultrasound image (top-right), a FLO medical illustration showing fetal development (bottom-left), and a bowl of pomegranate seeds (bottom-right) representing the baby's approximate size at this stage.

The Baby’s Development

  • Your baby is now the size of pomegranate seed and starting to look more like a tiny tadpole.

  • The heart is beating and may be detected on an ultrasound! 💓

  • The brain, spinal cord, and major organs are beginning to form.


Your Body’s Changes

  • Pregnancy symptoms may be stronger—morning sickness, fatigue, breast tenderness, and mood swings are common.

  • Your BhCG levels are rising, helping the pregnancy progress.


Your little one is developing quickly—this is an exciting stage in your journey! 💕


Want to know what’s next? 😊

 
 
 

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