Due Date Calculator

LMP/Start Date:Aug 20, 2017. Change date here
Your Baby's Due Date

May 27, 2018

which is a Sunday

Key Developments

Estimated Conception:
September 3, 2017
Pregnancy Test:
September 17, 2017
Estimated First Heart Beat:
September 27, 2017
Estimated Due Date:
May 27, 2018

Pregnancy Announcement Image

Announcement Image - May 27

Imagine

First footsteps in 2019 (1 year)
Start kindergarten in 2023 (5 years)
Start high school in 2032 (14 years)
Start to drive in 2034 (16 years)
Finish high school in 2036 (18 years)
Graduate from college in 2041 (23 years)

Trimester Dates

Trimester One:
Aug 20, 2017 - Nov 25, 2017
0 - 13 Weeks
Trimester Two:
Nov 26, 2017 - Mar 3, 2018
14 - 27 Weeks
Trimester Three:
Mar 4, 2018 - May 27, 2018
28 - 40 Weeks

Months Timeline

1 Month PregnantSep 20, 2017
2 Months PregnantOct 20, 2017
3 Months PregnantNov 20, 2017
4 Months PregnantDec 20, 2017
5 Months PregnantJan 20, 2018
6 Months PregnantFeb 20, 2018
7 Months PregnantMar 20, 2018
8 Months PregnantApr 20, 2018
9 Months PregnantMay 20, 2018
Due Date: May 27, 2018
Announcement Image May

Date

How Often to Visit Doctor[1]

Sep 17 - Mar 4 Once a month during this time
Mar 4 - Apr 29 Twice per month during this time
Apr 29 - May 27 Once per week during this time

Prenatal Testing Dates[1]

Prenatal testing dates for due date May 27, 2018. Prenatal testing is available in most pregnancies and can involve ultrasounds, blood tests and samples. Always use your doctors recommended dates.
Early Ultrasound Scan:
Oct 15, 2017 to Nov 19, 2017
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
Nov 5, 2017 to Nov 19, 2017
11 to 13 weeks
Quad Screen (Blood Test):
Dec 3, 2017 to Jan 7, 2018
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
Dec 24, 2017 to Jan 14, 2018
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
Feb 4, 2018 to Mar 4, 2018
24 to 28 weeks

Extra Invasive Screening

You may have diagnostic tests if your pregnancy is considered high risk.
Chorionic Villus Sampling (CVS):
Oct 27, 2017
9 weeks
Amniocentesis:
Dec 3, 2017
15 weeks
Cordocentesis or PUBS:
Dec 17, 2017
After 17 weeks

Birthday Symbols and Meanings

Baby's due date is the Chinese year of the Dog
Baby's star sign is Gemini
Birthstone: Peridot
Birth Flower: Gladiolus or Poppy
Birth Color: Various

Important Birthdays

First Birthday: May 27, 2019
5th Birthday: May 27, 2023
Sweet 16: May 27, 2034
21st Birthday: May 27, 2039
50th Birthday: May 27, 2068

Your Firsts

First missed periodSep 17 4 Weeks
Baby's heart beat heardNov 12 16 Weeks
Belly definitely showingDec 1016-18 Weeks
Baby kicks felt, second or later babiesDec 2418-20 Weeks
Friends and family may feel baby moveMar 2531 Weeks

Baby's Developments

Conception is most likely on this date Sep 3 2 Weeks
First heart beat Sep 27 5 Weeks
Major organs have formed and face is slowly forming Oct 29 10 Weeks
Miscarriage risk decreases Nov 12 12 Weeks
Your baby can see light through their closed eyelids Dec 3 15 Weeks
You may be able to feel your baby move now Dec 10 16 Weeks
Your baby can now hear sounds Dec 31 19 Weeks
Third trimester, baby is "practice breathing" Mar 4 28 Weeks
Eyelashes, fingernails, and toenails have now formed Apr 1 32 Weeks

Things to Consider

Start planning maternity leave and postpartum work schedule. Tell boss about pregnancyNov 1212 Weeks
Popular time to tell friends and familyNov 1212 Weeks
Start pediatrician interviewsJan 720 Weeks
Good time to look into birthing classes for first pregnanciesJan 1421 Weeks
If banking cord blood, find facility and order kitJan 2122 Weeks
Decide whether you want a birthing coach or doula. Start interviewingMar 428 Weeks
Have your baby shower anytime from nowMar 1830 Weeks
Good time to take birthing classesMar 18 30 Weeks
Popular time to have your last day of workApr 2936 Weeks
Have your pediatrician chosen ready for baby after birthApr 2936 Weeks
Plan who you want to keep in the loop when you go into laborApr 29 36 Weeks
Learn the symptoms of laborApr 2936 Weeks

When is my Baby Premature, Full Term or Late Term?[2]

Babies born now are considered Extremely PrematureFeb 1125 Weeks
Babies born now are considered Moderately PrematureMar 1129 Weeks
Babies born now are considered Mildly PrematureApr 833 Weeks
Babies born now are considered Early Term May 6 37 Weeks
Babies born now are considered Full Term May 20 39 Weeks
Babies born now are considered Late Term Jun 3 41 Weeks
Babies born now are considered Post Term Jun 10 42+ Weeks

Most Probable Due Range

May 2018
SMTWTFS
 12345
6
Early Term
7
Early Term
8
Early Term
9
Early Term
10
Early Term
11
Early Term
12
Early Term
13
Early Term
14
Early Term
15
Early Term
16
Early Term
17
Early Term
18
Early Term
19
Early Term
20
Full Term
21
Full Term
22
Full Term
23
Full Term
24
Full Term
25
Full Term
26
Full Term
27
Full Term
28
Full Term
29
Full Term
30
Full Term
31
Full Term
 

June 2018
SMTWTFS
 1
Full Term
2
Full Term
3
Late Term
4
Late Term
5
Late Term
6
Late Term
7
Late Term
8
Late Term
9
Late Term
10111213141516
17181920212223
24252627282930

My Due Date May 27, Has Changed?[3]

Your due date May 27th, 2018 could be changed if there is a significant difference between the due date based on ultrasound and the due date calculated from your LMP (May 27, 2018) date.

The American College of Obstetricians and Gynecologists, the American Institute of Ultrasound in Medicine, and the Society for Maternal-Fetal Medicine have produced guidelines to help doctors decide when to change due dates. See chart here.

References:

  1. Prenatal Care Fact Sheet. http://womenshealth.gov/publications/our-publications/fact-sheet/prenatal-care.html
  2. Committee Opinion No. 579. 2013. Definition of term pregnancy. Obstet Gynec. 122 (2013): 1139-40. doi: 10.1097/01.AOG.0000437385.88715.4a
  3. Committee Opinion No. 611. Method for estimating due date. Obstet Gynec. 124 (2014): 863-6. doi: 10.1097/01.AOG.0000454932.15177.be

Disclaimer: All information featured on weeksduringpregnancy.com should be used for educational purposes only and is not intended to replace medical advice.
Consult your doctor, physician or midwife regarding any personal pregnancy issues or medical conditions.