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Pregnancy weeks

Note: Information provided on this page is for general education only, growth of baby inside womb depends upon many factor and growth of your baby may differ slightly than indicated below, please seek medical assistance when in doubt.

In this week ...
  • The gastrointestinal tract, spinal cord, heart, brain, blood and blood vessel begins to form.

  • The embryo is about the size of an orange seed or a nail-head and can just be seen on an ultrasound. It is now possible to differentiate between the head and the tail of your baby.

  • Baby's heart begins to beat.

  • The baby looks like a tadpole and has a primitive heart which has already started beating and circulating blood around its little body.

  • Your baby's brain and spinal cord are forming but are still open.

  • Baby will grow to average length of about ¼ inch or 4 to 6 mm Crown to Rump (CR) towards the ends of this week.

◄ Fetal Growth in Previous Week Fetal Growth Next Week ► 

Fetal Growth in ...
Week 1 Week 2 Week 3 Week 4 Week 5 Week 6
Week 7 Week 8 Week 9 Week 10 Week 11 Week 12
Week 13 Week 14 Week 15 Week 16 Week 17 Week 18
Week 19 Week 20 Week 21 Week 22 Week 23 Week 24
Week 25 Week 26 Week 27 Week 28 Week 29 Week 30
Week 31 Week 32 Week 33 Week 34 Week 35 Week 36
Week 37 Week 38 Week 39 Week 40 Beyond 40 weeks

Fetal Growth in ...
1st month 2nd month 3rd month 4th month
5th month 6th month 7th month 8th month
9th month 10th month

Also See:
»  Due Date Calculator
»  Ovulation Calculator (When is Ovulation)
»  Fertility Calculator
»  Safe Period Calculator
»  Fetal Growth Calculator
»  Fetal Size Calculator
»  Pregnancy Calendar (Pregnancy Chart)
»  Fetal length and weight chart
»  Pregnancy Weeks (Pregnancy week by week)
»  Pregnancy Months (Pregnancy month by month)
»  Pregnancy Trimester
    -  First Trimester
    -  Second Trimester
    -  Third Trimester
»  How to get Pregnant
»  Pregnancy Overview
»  Signs or Symptoms of Pregnancy
»  Pregnancy Tests
»  When to test for pregnancy
»  Embryonic period in human pregnancy
»  Menstruation
»  What is Ovulation
»  When does Ovulation occurs
»  What is fertile period
»  When is safe period
»  IVF (In vitro fertilization)