Key Developments
Estimated Conception:
March 18, 2025
March 18, 2025
+ Pregnancy Test:
April 1, 2025
April 1, 2025
Estimated First Heart Beat:
April 11, 2025
April 11, 2025
Estimated Due Date:
December 9, 2025
December 9, 2025
Announcement Image
Birthday Signs
Baby's star sign is Sagittarius
Birthstone: Tanzanite Zircon Turquoise
Birth Flower: Holly or Narcissus
Birthstone Color: Baby Blue
Birthstone: Tanzanite Zircon Turquoise
Birth Flower: Holly or Narcissus
Birthstone Color: Baby Blue
Trimester Dates
Trimester One:
Mar 4, 2025 - Jun 9, 2025
0 - 13 WeeksTrimester Two:
Jun 10, 2025 - Sep 15, 2025
14 - 27 WeeksTrimester Three:
Sep 16, 2025 - Dec 9, 2025
28 - 40 WeeksMonths Timeline
| 1 Month Pregnant | Apr 4, 2025 |
| 2 Months Pregnant | May 4, 2025 |
| 3 Months Pregnant | Jun 4, 2025 |
| 4 Months Pregnant | Jul 4, 2025 |
| 5 Months Pregnant | Aug 4, 2025 |
| 6 Months Pregnant | Sep 4, 2025 |
| 7 Months Pregnant | Oct 4, 2025 |
| 8 Months Pregnant | Nov 4, 2025 |
| 9 Months Pregnant | Dec 4, 2025 |
| Due Date: December 9, 2025 | |
Date |
How Often to Visit Doctor[1] |
| Apr 1 - Sep 16 | Once a month during this time |
| Sep 16 - Nov 11 | Twice per month during this time |
| Nov 11 - Dec 9 | Once per week during this time |
Prenatal Testing Dates[2]
Early Ultrasound Scan:
Apr 29, 2025 to Jun 3, 2025
7 to 13 weeks
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
May 20, 2025 to Jun 3, 2025
11 to 13 weeks
11 to 13 weeks
Quad Screen (Blood Test):
Jun 17, 2025 to Jul 22, 2025
15 to 20 weeks
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
Jul 8, 2025 to Jul 29, 2025
18 to 21 weeks
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
Aug 19, 2025 to Sep 16, 2025
24 to 28 weeks
24 to 28 weeks
Your Firsts
| First missed period | Apr 01 | 4 Weeks |
| Baby's heart beat heard | May 27 | 16 Weeks |
| Belly definitely showing | Jun 24 | 16-18 Weeks |
| Baby kicks felt, second or later babies | Jul 08 | 18-20 Weeks |
| Friends and family may feel baby move | Oct 07 | 31 Weeks |
Baby's Developments
| Conception is most likely on this date | Mar 18 | 2 Weeks |
| First heart beat | Apr 11 | 5 Weeks |
| Major organs have formed and face is slowly forming | May 13 | 10 Weeks |
| Miscarriage risk decreases | May 27 | 12 Weeks |
| Your baby can see light through their closed eyelids | Jun 17 | 15 Weeks |
| You may be able to feel your baby move now | Jun 24 | 16 Weeks |
| Your baby can now hear sounds | Jul 15 | 19 Weeks |
| Third trimester, baby is "practice breathing" | Sep 16 | 28 Weeks |
| Eyelashes, fingernails, and toenails have now formed | Oct 14 | 32 Weeks |
Things to Consider
| Start planning maternity leave and postpartum work schedule. Tell boss about pregnancy | May 27 | 12 Weeks |
| Popular time to tell friends and family | May 27 | 12 Weeks |
| Start pediatrician interviews | Jul 22 | 20 Weeks |
| Good time to look into birthing classes for first pregnancies | Jul 29 | 21 Weeks |
| If banking cord blood, find facility and order kit | Aug 5 | 22 Weeks |
| Decide whether you want a birthing coach or doula. Start interviewing | Sep 16 | 28 Weeks |
| Have your baby shower anytime from now | Sep 30 | 30 Weeks |
| Good time to take birthing classes | Sep 30 | 30 Weeks |
| Popular time to have your last day of work | Nov 11 | 36 Weeks |
| Have your pediatrician chosen ready for baby after birth | Nov 11 | 36 Weeks |
| Plan who you want to keep in the loop when you go into labor | Nov 11 | 36 Weeks |
| Learn the symptoms of labor | Nov 11 | 36 Weeks |
When is my Baby Premature, Full Term or Late Term?[2]
| Babies born now are considered Extremely Premature | Aug 26 | 25 Weeks |
| Babies born now are considered Moderately Premature | Sep 23 | 29 Weeks |
| Babies born now are considered Mildly Premature | Oct 21 | 33 Weeks |
| Babies born now are considered Early Term | Nov 18 | 37 Weeks |
| Babies born now are considered Full Term | Dec 2 | 39 Weeks |
| Babies born now are considered Late Term | Dec 16 | 41 Weeks |
| Babies born now are considered Post Term | Dec 23 | 42+ Weeks |
Most Probable Due Range
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 Early Term | 19 Early Term | 20 Early Term | 21 Early Term | 22 Early Term |
| 23 Early Term | 24 Early Term | 25 Early Term | 26 Early Term | 27 Early Term | 28 Early Term | 29 Early Term |
| 30 Early Term | ||||||
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 1 Early Term | 2 Full Term | 3 Full Term | 4 Full Term | 5 Full Term | 6 Full Term | |
| 7 Full Term | 8 Full Term | 9 Full Term | 10 Full Term | 11 Full Term | 12 Full Term | 13 Full Term |
| 14 Full Term | 15 Full Term | 16 Late Term | 17 Late Term | 18 Late Term | 19 Late Term | 20 Late Term |
| 21 Late Term | 22 Late Term | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | 31 | |||
Imagine
First footsteps in December 9, 2026 (1 year)
Start kindergarten in December 9, 2030 (5 years)
Start high school in December 9, 2039 (14 years)
Start to drive in December 9, 2041 (16 years)
Finish high school in December 9, 2043 (18 years)
Graduate from college in 2048 (23 years)
Start kindergarten in December 9, 2030 (5 years)
Start high school in December 9, 2039 (14 years)
Start to drive in December 9, 2041 (16 years)
Finish high school in December 9, 2043 (18 years)
Graduate from college in 2048 (23 years)
Important Birthdays
First Birthday: December 9, 2026
5th Birthday: December 9, 2030
Sweet 16: December 9, 2041
21st Birthday: December 9, 2046
50th Birthday: December 9, 2075
5th Birthday: December 9, 2030
Sweet 16: December 9, 2041
21st Birthday: December 9, 2046
50th Birthday: December 9, 2075
40 Weeks of Pregnancy
0 Weeks Pregnant on Mar 04, 2025
1 Week Pregnant on Mar 11, 2025
2 Weeks Pregnant on Mar 18, 2025
3 Weeks Pregnant on Mar 25, 2025
4 Weeks Pregnant on Apr 01, 2025
5 Weeks Pregnant on Apr 08, 2025
6 Weeks Pregnant on Apr 15, 2025
7 Weeks Pregnant on Apr 22, 2025
8 Weeks Pregnant on Apr 29, 2025
9 Weeks Pregnant on May 06, 2025
10 Weeks Pregnant on May 13, 2025
11 Weeks Pregnant on May 20, 2025
12 Weeks Pregnant on May 27, 2025
13 Weeks Pregnant on Jun 03, 2025
14 Weeks Pregnant on Jun 10, 2025
15 Weeks Pregnant on Jun 17, 2025
16 Weeks Pregnant on Jun 24, 2025
17 Weeks Pregnant on Jul 01, 2025
18 Weeks Pregnant on Jul 08, 2025
19 Weeks Pregnant on Jul 15, 2025
20 Weeks Pregnant on Jul 22, 2025
21 Weeks Pregnant on Jul 29, 2025
22 Weeks Pregnant on Aug 05, 2025
23 Weeks Pregnant on Aug 12, 2025
24 Weeks Pregnant on Aug 19, 2025
25 Weeks Pregnant on Aug 26, 2025
26 Weeks Pregnant on Sep 02, 2025
27 Weeks Pregnant on Sep 09, 2025
28 Weeks Pregnant on Sep 16, 2025
29 Weeks Pregnant on Sep 23, 2025
30 Weeks Pregnant on Sep 30, 2025
31 Weeks Pregnant on Oct 07, 2025
32 Weeks Pregnant on Oct 14, 2025
33 Weeks Pregnant on Oct 21, 2025
34 Weeks Pregnant on Oct 28, 2025
35 Weeks Pregnant on Nov 04, 2025
36 Weeks Pregnant on Nov 11, 2025
37 Weeks Pregnant on Nov 18, 2025
38 Weeks Pregnant on Nov 25, 2025
39 Weeks Pregnant on Dec 02, 2025
40 Weeks Pregnant on Dec 09, 2025
What if My Due Date December 09, Has Changed?[3]
Your due date December 9th, 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 (December 9, 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:
- Prenatal Care Fact Sheet. http://womenshealth.gov/publications/our-publications/fact-sheet/prenatal-care.html
- Prenatal care and tests. Office on Women's Health (OWH) GOV - https://www.womenshealth.gov/pregnancy/youre-pregnant-now-what/prenatal-care-and-tests
- Committee Opinion No. 579. 2013. Definition of term pregnancy. Obstet Gynec. 122 (2013): 1139-40. doi: 10.1097/01.AOG.0000437385.88715.4a
- Committee Opinion No. 611. Method for estimating due date. Obstet Gynec. 124 (2014): 863-6. doi: 10.1097/01.AOG.0000454932.15177.be