Pregnancy Week 12 – Nuchal Translucency Screening

Serious version: this week I had nuchal translucency screening done, which assesses the baby’s risk of Down syndrome. The test consisted of an ultrasound scan and blood tests. If the risk is higher than 1 in 250, you would be offered amniocentesis. Fortunately my risk was very low.

Fun version: I saw my baby dance in my belly! The baby jumps at the beginning of the scan but I didn’t see it since my screen was off, then when the baby jumped again in the 35th second I was so delighted I started laughing and couldn’t stop. It was amazing! The doctor said it’s great to have such a happy patient.

What else is happening this week?

  • Baby’s crown to rump length is 3-5 cm or 1.2-2.0 inches. Baby weighs about 8 grams.
  • Baby’s fingers and toes begin growing soft nails.
  • Baby’s intestines are developing.
  • Baby’s bladder sac is formed.
  • Boy babies begin producing testosterone.
  • Baby’s head now has a more rounded shape.
  • Baby’s mouth can open and close, allowing it to swallow and yawn.
  • Baby’s heart is beating rapidly, about 160 beats per minute, which is twice as fast as moms heart rate.
  • The umbilical cord is fully developed, ensuring that vital nutrients from moms bloodstream, such as glucose, are carried to the baby from the placenta. it lengthens during the course of pregnancy.
  • Baby’s ears are nearly in their final position on the head.
  • Baby’s limbs are fully formed and have lengthened; baby will be trying out all sorts of new positions
  • Mom’s uterus is beginning to lift up out of the bony cavity of the pelvis.
  • Mom should do Kegel exercises to help curb urinary incontinence.


You might also like:

Pregnancy Week 13 – Flying Pregnant!

Growing Pregnant Belly Week By Week

Pregnancy Ultrasound – Should You Do It?

Exercise and Pregnancy – Friends or Foes?

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Categories: Pregnancy Ultrasounds, Pregnancy Week by Week

Author:Alinka Rutkowska

Alinka is a best-selling and award-winning Children's Author.


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