Fetal Growth Calculator


First day of your Last Menstrual Period

You are now in 5th week of your pregnancy and the fetal age is 4 weeks, 6 days.

In this pregnancy 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.

First trimester starts on very first day of your last menstrual cycle on 07-May-2024 and ends on 30-Jul-2024

Second trimester is from 31-Jul-2024 to 12-Nov-2024

While Third trimester begins 13-Nov-2024 onwards.

The expected date of birth of your baby is 11-Feb-2025, however depending upon fetal growth and your age, the baby may be born between 28-Jan-2025 and 18-Feb-2025.

Note: Information provided above is for general education only, growth of baby inside womb depends upon many factor and growth of your baby may differ slightly than indicated above, please seek medical advice whenever in doubt.

◄ Growth in Week 4Growth in Week 6  ► 
Aug - 2023
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Sep - 2023
SuMoTuWeThFrSa
     12
3456789
10111213141516
17181920212223
24252627282930
Nov - 2023
SuMoTuWeThFrSa
   1234
567891011
12131415161718
19202122232425
2627282930  
Dec - 2023
SuMoTuWeThFrSa
     12
3456789
10111213141516
17181920212223
24252627282930
31      
Feb - 2024
SuMoTuWeThFrSa
    123
45678910
11121314151617
18192021222324
2526272829  
Mar - 2024
SuMoTuWeThFrSa
     12
3456789
10111213141516
17181920212223
24252627282930
31      
Apr - 2024
SuMoTuWeThFrSa
 123456
78910111213
14151617181920
21222324252627
282930    
Jun - 2024
SuMoTuWeThFrSa
      1
2345678
9101112131415
16171819202122
23242526272829
30      
Pregnancy Trimesters
»  First Trimester
»  Second Trimester
»  Third Trimester
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Beyond 40 weeks
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