Your Baby's
Due Date

September 23, 2025



You Are

16 weeks
and 1 day

Your Progress

40%

Baby is due in

23 weeks
and 6 days



September 23, 2025

is a Tuesday


LMP/Start Date: Dec 17, 2024

Change due date

Key Developments

Estimated Conception:
December 31, 2024
+ Pregnancy Test:
January 14, 2025
Estimated First Heart Beat:
January 24, 2025
Estimated Due Date:
September 23, 2025

How Many Weeks Am I?

You are 16 weeks and 1 day
Get a full report here!

Announcement Image

Due Date: September 23 - Announcement Image

Birthday Signs

Baby's star sign is Libra

Birthstone: Sapphire
Birth Flower: Aster or Morning Glory
Birthstone Color: Deep, Blue

Trimester Dates

Trimester One:
Dec 17, 2024 - Mar 24, 2025
0 - 13 Weeks
Trimester Two:
Mar 25, 2025 - Jun 30, 2025
14 - 27 Weeks
Trimester Three:
Jul 1, 2025 - Sep 23, 2025
28 - 40 Weeks

Months Timeline

1 Month PregnantJan 17, 2025
2 Months PregnantFeb 17, 2025
3 Months PregnantMar 17, 2025
4 Months PregnantApr 17, 2025
5 Months PregnantMay 17, 2025
6 Months PregnantJun 17, 2025
7 Months PregnantJul 17, 2025
8 Months PregnantAug 17, 2025
9 Months PregnantSep 17, 2025
Due Date: September 23, 2025
Due Date in September - Announcement Image

Date

How Often to Visit Doctor[1]

Jan 14 - Jul 1 Once a month during this time
Jul 1 - Aug 26 Twice per month during this time
Aug 26 - Sep 23 Once per week during this time

Prenatal Testing Dates[2]

Prenatal testing dates for due date Sep 23, 2025. 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 11, 2025 to Mar 18, 2025
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
Mar 4, 2025 to Mar 18, 2025
11 to 13 weeks
Quad Screen (Blood Test):
Apr 1, 2025 to May 6, 2025
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
Apr 22, 2025 to May 13, 2025
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
Jun 3, 2025 to Jul 1, 2025
24 to 28 weeks

Your Firsts

First missed periodJan 14 4 Weeks
Baby's heart beat heardMar 11 16 Weeks
Belly definitely showingApr 0816-18 Weeks
Baby kicks felt, second or later babiesApr 2218-20 Weeks
Friends and family may feel baby moveJul 2231 Weeks

Baby's Developments

Conception is most likely on this date Dec 31 2 Weeks
First heart beat Jan 24 5 Weeks
Major organs have formed and face is slowly forming Feb 25 10 Weeks
Miscarriage risk decreases Mar 11 12 Weeks
Your baby can see light through their closed eyelids Apr 1 15 Weeks
You may be able to feel your baby move now Apr 8 16 Weeks
Your baby can now hear sounds Apr 29 19 Weeks
Third trimester, baby is "practice breathing" Jul 1 28 Weeks
Eyelashes, fingernails, and toenails have now formed Jul 29 32 Weeks

Things to Consider

Start planning maternity leave and postpartum work schedule. Tell boss about pregnancyMar 1112 Weeks
Popular time to tell friends and familyMar 1112 Weeks
Start pediatrician interviewsMay 620 Weeks
Good time to look into birthing classes for first pregnanciesMay 1321 Weeks
If banking cord blood, find facility and order kitMay 2022 Weeks
Decide whether you want a birthing coach or doula. Start interviewingJul 128 Weeks
Have your baby shower anytime from nowJul 1530 Weeks
Good time to take birthing classesJul 15 30 Weeks
Popular time to have your last day of workAug 2636 Weeks
Have your pediatrician chosen ready for baby after birthAug 2636 Weeks
Plan who you want to keep in the loop when you go into laborAug 26 36 Weeks
Learn the symptoms of laborAug 2636 Weeks

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

Babies born now are considered Extremely PrematureJun 1025 Weeks
Babies born now are considered Moderately PrematureJul 829 Weeks
Babies born now are considered Mildly PrematureAug 533 Weeks
Babies born now are considered Early Term Sep 2 37 Weeks
Babies born now are considered Full Term Sep 16 39 Weeks
Babies born now are considered Late Term Sep 30 41 Weeks
Babies born now are considered Post Term Oct 7 42+ Weeks

Most Probable Due Range

September 2025
SMTWTFS
 12
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
Early Term
15
Early 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
Full Term
29
Full Term
30
Late Term
 

October 2025
SMTWTFS
 1
Late Term
2
Late Term
3
Late Term
4
Late Term
5
Late Term
6
Late Term
7891011
12131415161718
19202122232425
262728293031 

Imagine

First footsteps in September 23, 2026 (1 year)
Start kindergarten in September 23, 2030 (5 years)
Start high school in September 23, 2039 (14 years)
Start to drive in September 23, 2041 (16 years)
Finish high school in September 23, 2043 (18 years)
Graduate from college in 2048 (23 years)

Important Birthdays

First Birthday: September 23, 2026
5th Birthday: September 23, 2030
Sweet 16: September 23, 2041
21st Birthday: September 23, 2046
50th Birthday: September 23, 2075

What if My Due Date September 23, Has Changed?[3]

Your due date September 23rd, 2025 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 23, 2025) 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