Key Developments
Estimated Conception:
March 26, 2025
March 26, 2025
+ Pregnancy Test:
April 9, 2025
April 9, 2025
Estimated First Heart Beat:
April 19, 2025
April 19, 2025
Estimated Due Date:
December 17, 2025
December 17, 2025
How Many Weeks Am I?
Get a full report here!
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 12, 2025 - Jun 17, 2025
0 - 13 WeeksTrimester Two:
Jun 18, 2025 - Sep 23, 2025
14 - 27 WeeksTrimester Three:
Sep 24, 2025 - Dec 17, 2025
28 - 40 WeeksMonths Timeline
| 1 Month Pregnant | Apr 12, 2025 |
| 2 Months Pregnant | May 12, 2025 |
| 3 Months Pregnant | Jun 12, 2025 |
| 4 Months Pregnant | Jul 12, 2025 |
| 5 Months Pregnant | Aug 12, 2025 |
| 6 Months Pregnant | Sep 12, 2025 |
| 7 Months Pregnant | Oct 12, 2025 |
| 8 Months Pregnant | Nov 12, 2025 |
| 9 Months Pregnant | Dec 12, 2025 |
| Due Date: December 17, 2025 | |
Date |
How Often to Visit Doctor[1] |
| Apr 9 - Sep 24 | Once a month during this time |
| Sep 24 - Nov 19 | Twice per month during this time |
| Nov 19 - Dec 17 | Once per week during this time |
Prenatal Testing Dates[2]
Early Ultrasound Scan:
May 7, 2025 to Jun 11, 2025
7 to 13 weeks
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
May 28, 2025 to Jun 11, 2025
11 to 13 weeks
11 to 13 weeks
Quad Screen (Blood Test):
Jun 25, 2025 to Jul 30, 2025
15 to 20 weeks
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
Jul 16, 2025 to Aug 6, 2025
18 to 21 weeks
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
Aug 27, 2025 to Sep 24, 2025
24 to 28 weeks
24 to 28 weeks
Your Firsts
| First missed period | Apr 09 | 4 Weeks |
| Baby's heart beat heard | Jun 04 | 16 Weeks |
| Belly definitely showing | Jul 02 | 16-18 Weeks |
| Baby kicks felt, second or later babies | Jul 16 | 18-20 Weeks |
| Friends and family may feel baby move | Oct 15 | 31 Weeks |
Baby's Developments
| Conception is most likely on this date | Mar 26 | 2 Weeks |
| First heart beat | Apr 19 | 5 Weeks |
| Major organs have formed and face is slowly forming | May 21 | 10 Weeks |
| Miscarriage risk decreases | Jun 4 | 12 Weeks |
| Your baby can see light through their closed eyelids | Jun 25 | 15 Weeks |
| You may be able to feel your baby move now | Jul 2 | 16 Weeks |
| Your baby can now hear sounds | Jul 23 | 19 Weeks |
| Third trimester, baby is "practice breathing" | Sep 24 | 28 Weeks |
| Eyelashes, fingernails, and toenails have now formed | Oct 22 | 32 Weeks |
Things to Consider
| Start planning maternity leave and postpartum work schedule. Tell boss about pregnancy | Jun 4 | 12 Weeks |
| Popular time to tell friends and family | Jun 4 | 12 Weeks |
| Start pediatrician interviews | Jul 30 | 20 Weeks |
| Good time to look into birthing classes for first pregnancies | Aug 6 | 21 Weeks |
| If banking cord blood, find facility and order kit | Aug 13 | 22 Weeks |
| Decide whether you want a birthing coach or doula. Start interviewing | Sep 24 | 28 Weeks |
| Have your baby shower anytime from now | Oct 8 | 30 Weeks |
| Good time to take birthing classes | Oct 8 | 30 Weeks |
| Popular time to have your last day of work | Nov 19 | 36 Weeks |
| Have your pediatrician chosen ready for baby after birth | Nov 19 | 36 Weeks |
| Plan who you want to keep in the loop when you go into labor | Nov 19 | 36 Weeks |
| Learn the symptoms of labor | Nov 19 | 36 Weeks |
When is my Baby Premature, Full Term or Late Term?[2]
| Babies born now are considered Extremely Premature | Sep 3 | 25 Weeks |
| Babies born now are considered Moderately Premature | Oct 1 | 29 Weeks |
| Babies born now are considered Mildly Premature | Oct 29 | 33 Weeks |
| Babies born now are considered Early Term | Nov 26 | 37 Weeks |
| Babies born now are considered Full Term | Dec 10 | 39 Weeks |
| Babies born now are considered Late Term | Dec 24 | 41 Weeks |
| Babies born now are considered Post Term | Dec 31 | 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 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 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 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 | 31 | |||
Imagine
First footsteps in December 17, 2026 (1 year)
Start kindergarten in December 17, 2030 (5 years)
Start high school in December 17, 2039 (14 years)
Start to drive in December 17, 2041 (16 years)
Finish high school in December 17, 2043 (18 years)
Graduate from college in 2048 (23 years)
Start kindergarten in December 17, 2030 (5 years)
Start high school in December 17, 2039 (14 years)
Start to drive in December 17, 2041 (16 years)
Finish high school in December 17, 2043 (18 years)
Graduate from college in 2048 (23 years)
Important Birthdays
First Birthday: December 17, 2026
5th Birthday: December 17, 2030
Sweet 16: December 17, 2041
21st Birthday: December 17, 2046
50th Birthday: December 17, 2075
5th Birthday: December 17, 2030
Sweet 16: December 17, 2041
21st Birthday: December 17, 2046
50th Birthday: December 17, 2075
40 Weeks of Pregnancy
0 Weeks Pregnant on Mar 12, 2025
1 Week Pregnant on Mar 19, 2025
2 Weeks Pregnant on Mar 26, 2025
3 Weeks Pregnant on Apr 02, 2025
4 Weeks Pregnant on Apr 09, 2025
5 Weeks Pregnant on Apr 16, 2025
6 Weeks Pregnant on Apr 23, 2025
7 Weeks Pregnant on Apr 30, 2025
8 Weeks Pregnant on May 07, 2025
9 Weeks Pregnant on May 14, 2025
10 Weeks Pregnant on May 21, 2025
11 Weeks Pregnant on May 28, 2025
12 Weeks Pregnant on Jun 04, 2025
13 Weeks Pregnant on Jun 11, 2025
14 Weeks Pregnant on Jun 18, 2025
15 Weeks Pregnant on Jun 25, 2025
16 Weeks Pregnant on Jul 02, 2025
17 Weeks Pregnant on Jul 09, 2025
18 Weeks Pregnant on Jul 16, 2025
19 Weeks Pregnant on Jul 23, 2025
20 Weeks Pregnant on Jul 30, 2025
21 Weeks Pregnant on Aug 06, 2025
22 Weeks Pregnant on Aug 13, 2025
23 Weeks Pregnant on Aug 20, 2025
24 Weeks Pregnant on Aug 27, 2025
25 Weeks Pregnant on Sep 03, 2025
26 Weeks Pregnant on Sep 10, 2025
27 Weeks Pregnant on Sep 17, 2025
28 Weeks Pregnant on Sep 24, 2025
29 Weeks Pregnant on Oct 01, 2025
30 Weeks Pregnant on Oct 08, 2025
31 Weeks Pregnant on Oct 15, 2025
32 Weeks Pregnant on Oct 22, 2025
33 Weeks Pregnant on Oct 29, 2025
34 Weeks Pregnant on Nov 05, 2025
35 Weeks Pregnant on Nov 12, 2025
36 Weeks Pregnant on Nov 19, 2025
37 Weeks Pregnant on Nov 26, 2025
38 Weeks Pregnant on Dec 03, 2025
39 Weeks Pregnant on Dec 10, 2025
40 Weeks Pregnant on Dec 17, 2025
What if My Due Date December 17, Has Changed?[3]
Your due date December 17th, 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 17, 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