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Have you ever wondered what happens to you and baby in Week 12 of pregnancy?

To read week 11, please click here.

Here is a detailed list of Week 12 pregnancy facts:

  • A skeleton of cartilage is forming.
  • The gallbladder secretes bile from the fetus.
  • The lungs are completely formed.
  • The thyroid gland and pancreas are now complete.
  • If the forehead is touched, the fetus will turn its head away.
  • The liver is functioning to make blood cells.
  • This organ accounts for about 10 percent of the entire weight of the fetus.
  • The baby is now five centimeters long.
  • The baby has developed sexual organs that will later show whether it is male or female.
  • The baby’s heartbeat is now beating at between 110 and 160 beats per minute.
  • Now, your baby can suck its thumb. A quarter of pregnancy weight is now gained between week 12 and week 20.

For more information please take a look at this video:

Main image courtesy of Shutterstock.com
  • This is so interesting! Thank you for sharing this!

    Reply

  • I am 12 weeks. I am really enjoying reading about my babys development.


    • yeah i loved to research all the weeks

    Reply

  • This is the week that you start to relax a little and start getting excited to share your special news with everyone

    Reply

  • really looks great

    Reply

  • baby is sooo tiny but fully formed. that is mazing

    Reply

  • It’s great keeping track of your baby week by week.

    Reply

  • THANKS SO MUCH AMELIA I love following these developments and am picturing a bub happily sucking away on their thumb.:-)

    Reply

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