Your Baby's
Due Date

December 21, 2023


LMP/Start Date: Mar 16, 2023

Change due date

This due date has passed. Did you mean
December 21, 2024?

Key Developments

Estimated Conception:
March 30, 2023
+ Pregnancy Test:
April 13, 2023
Estimated First Heart Beat:
April 23, 2023
Estimated Due Date:
December 21, 2023

Announcement Image

Due Date: December 21 - Announcement Image

Birthday Signs

Baby's star sign is Sagittarius
Baby's due date is the Chinese year of the Rabbit according to Chinese zodiac.
Birthstone: Tanzanite Zircon Turquoise
Birth Flower: Holly or Narcissus
Birthstone Color: Baby Blue

Trimester Dates

Trimester One:
Mar 16, 2023 - Jun 21, 2023
0 - 13 Weeks
Trimester Two:
Jun 22, 2023 - Sep 27, 2023
14 - 27 Weeks
Trimester Three:
Sep 28, 2023 - Dec 21, 2023
28 - 40 Weeks

Months Timeline

1 Month PregnantApr 16, 2023
2 Months PregnantMay 16, 2023
3 Months PregnantJun 16, 2023
4 Months PregnantJul 16, 2023
5 Months PregnantAug 16, 2023
6 Months PregnantSep 16, 2023
7 Months PregnantOct 16, 2023
8 Months PregnantNov 16, 2023
9 Months PregnantDec 16, 2023
Due Date: December 21, 2023
Due Date in December - Announcement Image

Date

How Often to Visit Doctor[1]

Apr 13 - Sep 28 Once a month during this time
Sep 28 - Nov 23 Twice per month during this time
Nov 23 - Dec 21 Once per week during this time

Prenatal Testing Dates[2]

Prenatal testing dates for due date Dec 21, 2023. 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:
May 11, 2023 to Jun 15, 2023
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
Jun 1, 2023 to Jun 15, 2023
11 to 13 weeks
Quad Screen (Blood Test):
Jun 29, 2023 to Aug 3, 2023
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
Jul 20, 2023 to Aug 10, 2023
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
Aug 31, 2023 to Sep 28, 2023
24 to 28 weeks

Your Firsts

First missed periodApr 13 4 Weeks
Baby's heart beat heardJun 08 16 Weeks
Belly definitely showingJul 0616-18 Weeks
Baby kicks felt, second or later babiesJul 2018-20 Weeks
Friends and family may feel baby moveOct 1931 Weeks

Baby's Developments

Conception is most likely on this date Mar 30 2 Weeks
First heart beat Apr 23 5 Weeks
Major organs have formed and face is slowly forming May 25 10 Weeks
Miscarriage risk decreases Jun 8 12 Weeks
Your baby can see light through their closed eyelids Jun 29 15 Weeks
You may be able to feel your baby move now Jul 6 16 Weeks
Your baby can now hear sounds Jul 27 19 Weeks
Third trimester, baby is "practice breathing" Sep 28 28 Weeks
Eyelashes, fingernails, and toenails have now formed Oct 26 32 Weeks

Things to Consider

Start planning maternity leave and postpartum work schedule. Tell boss about pregnancyJun 812 Weeks
Popular time to tell friends and familyJun 812 Weeks
Start pediatrician interviewsAug 320 Weeks
Good time to look into birthing classes for first pregnanciesAug 1021 Weeks
If banking cord blood, find facility and order kitAug 1722 Weeks
Decide whether you want a birthing coach or doula. Start interviewingSep 2828 Weeks
Have your baby shower anytime from nowOct 1230 Weeks
Good time to take birthing classesOct 12 30 Weeks
Popular time to have your last day of workNov 2336 Weeks
Have your pediatrician chosen ready for baby after birthNov 2336 Weeks
Plan who you want to keep in the loop when you go into laborNov 23 36 Weeks
Learn the symptoms of laborNov 2336 Weeks

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

Babies born now are considered Extremely PrematureSep 725 Weeks
Babies born now are considered Moderately PrematureOct 529 Weeks
Babies born now are considered Mildly PrematureNov 233 Weeks
Babies born now are considered Early Term Nov 30 37 Weeks
Babies born now are considered Full Term Dec 14 39 Weeks
Babies born now are considered Late Term Dec 28 41 Weeks
Babies born now are considered Post Term Jan 4 42+ Weeks

Most Probable Due Range

December 2023
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
Early Term
11
Early Term
12
Early Term
13
Early 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
Full Term
25
Full Term
26
Full Term
27
Full Term
28
Late Term
29
Late Term
30
Late Term
31
Late Term
 

January 2024
SMTWTFS
 1
Late Term
2
Late Term
3
Late Term
456
78910111213
14151617181920
21222324252627
28293031 

Imagine

First footsteps in December 21, 2024 (1 year)
Start kindergarten in December 21, 2028 (5 years)
Start high school in December 21, 2037 (14 years)
Start to drive in December 21, 2039 (16 years)
Finish high school in December 21, 2041 (18 years)
Graduate from college in 2046 (23 years)

Important Birthdays

First Birthday: December 21, 2024
5th Birthday: December 21, 2028
Sweet 16: December 21, 2039
21st Birthday: December 21, 2044
50th Birthday: December 21, 2073

What if My Due Date December 21, Has Changed?[3]

Your due date December 21st, 2023 could be changed if there is a significant difference between the due date based on ultrasound and the due date calculated from your LMP (December 21, 2023) 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