Your Baby's
Due Date

September 17, 2021


LMP/Start Date: Dec 11, 2020

Change due date

This due date has passed. Did you mean
September 17, 2025?

Key Developments

Estimated Conception:
December 25, 2020
+ Pregnancy Test:
January 8, 2021
Estimated First Heart Beat:
January 18, 2021
Estimated Due Date:
September 17, 2021

Announcement Image

Due Date: September 17 - Announcement Image

Birthday Signs

Baby's star sign is Virgo
Baby's due date is the year of the Ox according to Chinese zodiac.
Birthstone: Sapphire
Birth Flower: Aster or Morning Glory
Birthstone Color: Deep, Blue

Trimester Dates

Trimester One:
Dec 11, 2020 - Mar 18, 2021
0 - 13 Weeks
Trimester Two:
Mar 19, 2021 - Jun 24, 2021
14 - 27 Weeks
Trimester Three:
Jun 25, 2021 - Sep 17, 2021
28 - 40 Weeks

Months Timeline

1 Month PregnantJan 11, 2021
2 Months PregnantFeb 11, 2021
3 Months PregnantMar 11, 2021
4 Months PregnantApr 11, 2021
5 Months PregnantMay 11, 2021
6 Months PregnantJun 11, 2021
7 Months PregnantJul 11, 2021
8 Months PregnantAug 11, 2021
9 Months PregnantSep 11, 2021
Due Date: September 17, 2021
Due Date in September - Announcement Image

Date

How Often to Visit Doctor[1]

Jan 8 - Jun 25 Once a month during this time
Jun 25 - Aug 20 Twice per month during this time
Aug 20 - Sep 17 Once per week during this time

Prenatal Testing Dates[2]

Prenatal testing dates for due date Sep 17, 2021. Prenatal testing is available in most pregnancies and can involve ultrasounds, blood tests and samples. Always use your doctors recommended dates over dates found here.
Early Ultrasound Scan:
Feb 5, 2021 to Mar 12, 2021
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
Feb 26, 2021 to Mar 12, 2021
11 to 13 weeks
Quad Screen (Blood Test):
Mar 26, 2021 to Apr 30, 2021
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
Apr 16, 2021 to May 7, 2021
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
May 28, 2021 to Jun 25, 2021
24 to 28 weeks

Your Firsts

First missed periodJan 08 4 Weeks
Baby's heart beat heardMar 05 16 Weeks
Belly definitely showingApr 0216-18 Weeks
Baby kicks felt, second or later babiesApr 1618-20 Weeks
Friends and family may feel baby moveJul 1631 Weeks

Baby's Developments

Conception is most likely on this date Dec 25 2 Weeks
First heart beat Jan 18 5 Weeks
Major organs have formed and face is slowly forming Feb 19 10 Weeks
Miscarriage risk decreases Mar 5 12 Weeks
Your baby can see light through their closed eyelids Mar 26 15 Weeks
You may be able to feel your baby move now Apr 2 16 Weeks
Your baby can now hear sounds Apr 23 19 Weeks
Third trimester, baby is "practice breathing" Jun 25 28 Weeks
Eyelashes, fingernails, and toenails have now formed Jul 23 32 Weeks

Things to Consider

Start planning maternity leave and postpartum work schedule. Tell boss about pregnancyMar 512 Weeks
Popular time to tell friends and familyMar 512 Weeks
Start pediatrician interviewsApr 3020 Weeks
Good time to look into birthing classes for first pregnanciesMay 721 Weeks
If banking cord blood, find facility and order kitMay 1422 Weeks
Decide whether you want a birthing coach or doula. Start interviewingJun 2528 Weeks
Have your baby shower anytime from nowJul 930 Weeks
Good time to take birthing classesJul 9 30 Weeks
Popular time to have your last day of workAug 2036 Weeks
Have your pediatrician chosen ready for baby after birthAug 2036 Weeks
Plan who you want to keep in the loop when you go into laborAug 20 36 Weeks
Learn the symptoms of laborAug 2036 Weeks

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

Babies born now are considered Extremely PrematureJun 425 Weeks
Babies born now are considered Moderately PrematureJul 229 Weeks
Babies born now are considered Mildly PrematureJul 3033 Weeks
Babies born now are considered Early Term Aug 27 37 Weeks
Babies born now are considered Full Term Sep 10 39 Weeks
Babies born now are considered Late Term Sep 24 41 Weeks
Babies born now are considered Post Term Oct 1 42+ Weeks

Most Probable Due Range

August 2021
SMTWTFS
1234567
891011121314
15161718192021
222324252627
Early Term
28
Early Term
29
Early Term
30
Early Term
31
Early Term
 

September 2021
SMTWTFS
 1
Early Term
2
Early Term
3
Early Term
4
Early Term
5
Early Term
6
Early Term
7
Early Term
8
Early Term
9
Early Term
10
Full Term
11
Full Term
12
Full Term
13
Full Term
14
Full Term
15
Full Term
16
Full Term
17
Full Term
18
Full Term
19
Full Term
20
Full Term
21
Full Term
22
Full Term
23
Full Term
24
Late Term
25
Late Term
26
Late Term
27
Late Term
28
Late Term
29
Late Term
30
Late Term
 

Imagine

First footsteps in September 17, 2022 (1 year)
Start kindergarten in September 17, 2026 (5 years)
Start high school in September 17, 2035 (14 years)
Start to drive in September 17, 2037 (16 years)
Finish high school in September 17, 2039 (18 years)
Graduate from college in 2044 (23 years)

Important Birthdays

First Birthday: September 17, 2022
5th Birthday: September 17, 2026
Sweet 16: September 17, 2037
21st Birthday: September 17, 2042
50th Birthday: September 17, 2071

What if My Due Date September 17, Has Changed?[3]

Your due date September 17th, 2021 could be changed if there is a significant difference between the due date based on ultrasound and the due date calculated from your LMP (September 17, 2021) 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. Prenatal care and tests. Office on Women's Health (OWH) GOV - https://www.womenshealth.gov/pregnancy/youre-pregnant-now-what/prenatal-care-and-tests
  3. Committee Opinion No. 579. 2013. Definition of term pregnancy. Obstet Gynec. 122 (2013): 1139-40. doi: 10.1097/01.AOG.0000437385.88715.4a
  4. Committee Opinion No. 611. Method for estimating due date. Obstet Gynec. 124 (2014): 863-6. doi: 10.1097/01.AOG.0000454932.15177.be