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Due date calculator

Enter First day of your Last Menstrual Period (LMP)
Date: 

You are now in 13th week of your pregnancy and the fetal age is 12 weeks, 1 day.

In this pregnancy week ...
  • Baby's nose and lips are completely formed; baby is now preparing its vocal chords from this week onwards.
  • Baby begins to produce and excrete urine. The pancreas of your little one is even secreting insulin. All twenty teeth have formed and are waiting, however teething happens only after birth.
  • Baby's intestines are migrating from the umbilical cord into his or her abdomen. The villi are also forming in the intestines, these help in peristaltic movements and digestion. Meconium, the baby's first stool, is developing.
  • The fine hair covers the surface of baby's body and serves to protect its skin when it is floating around in all that water.
  • Fine connections between baby's brain, muscles and nerves have all formed and they are able to move freely and use their muscles to push and pull themselves into various positions.
  • Baby will grow to average length of about 2.91 inches or 7.4 centimeter Crown to Rump (CR) and weighs about 0.81 ounce or 23 grams towards the ends of this week.

First trimester starts on very first day of your last menstrual cycle on 19-Feb-2024 and ends on 13-May-2024

Second trimester is from 14-May-2024 to 26-Aug-2024

While Third trimester begins 27-Aug-2024 onwards.

The expected date of birth of your baby is 25-Nov-2024, however depending upon fetal growth and your age, the baby may be born between 11-Nov-2024 and 02-Dec-2024.

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.

◄ Fetal Growth in Week 12Fetal Growth in Week 14  ► 
Jul - 2023
SuMoTuWeThFrSa
      1
2345678
9101112131415
16171819202122
23242526272829
3031     
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    
May - 2024
SuMoTuWeThFrSa
   1234
567891011
12131415161718
19202122232425
262728293031 
Pregnancy Trimesters
»  First Trimester
»  Second Trimester
»  Third Trimester
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 ...
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5th month 6th month 7th month 8th month
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