18 Weeks After Conception

Weighing in at a hefty 10 ounces, your baby is now about 6-1/4 inches long from head to rump. He's big enough now that you may feel him moving!
Here's a closer look at what your baby may look like right around 18 weeks after conception, or at 20 weeks menstrual age.
Week 20

See some ultrasounds from week 20 of pregnancy:
  • Back of a baby boy
  • Face 1
  • Face 2
  • Face profile
  • Feet
  • Front pose
  • Profile
  • Spinal column
  • Take a peek at some of our featured pregnancy diaries for week 20 of pregnancy:
  • Betsy's diary
  • Jen's diary
  • Kym's diary
  • Minsun's diary
  • Read a few articles about what you might expect during your second trimester: See them here
    Check out what some real moms had to say about their second trimester: Click to take a peek
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    See other weeks here:

    Week 2 Week 4 Week 8
    Week 10 Week 12 Week 16
    Week 20 Week 24 Week 28
    Week 32 Week 36 Week 40

    Note: These images and information are not meant to convey precise detail, but rather the general shape and progression of your baby as he or she develops. These drawings are not to scale, and are for educational purposes only. Every baby is different, and this information should not be construed as medical diagnosis or advice.

    For more on your baby's development and changes in your body, be sure to check out our day-by-day pregnancy calendar!PregnancyAndBaby.com


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